slide
/slaɪd/
(过去式: slid; 过去完成式: slid; 现在进行式: sliding)
v.i.
To move along a surface without leaving it; glide. 滑;滑动。
- The car slid into the ditch. 车子滑进水沟里了。
- Snow slides down the mountain's sides. 雪自山侧滑下。
To move quietly or secretly. 潜行;悄然经过。
- He slid into a seat. 他悄然入座。
v.t.
To push along; cause to slip into place. 推递;使滑入。
- We slide the stones to their respective places. 我们将石块推回其原来位置。
To put quietly; slip. 轻轻放入;滑入。
- The pickpocket slid his hand into the bag. 扒手将手轻轻探入袋中。
短语:
slide out of (a)悄悄离去;溜走。(b)用计躲避。
slide over 漂亮地解决。
let slide 忽视;疏忽;不加努力。
let things slide 听其自然。
n.
The act of sliding. 滑。
- He broke his leg by a slide on the deck. 他滑倒在甲板上,弄断了腿。
A surface of ice for sliding. 冰之滑面。
Any smooth incline. 光滑斜坡;滑梯。
A glass plate upon which is a picture for projection on a screen or an object for examination through a microscope. 幻灯片;(显微镜)之玻璃片。
A fall of a mass of rock or snow down a mountain. 山崩;雪崩。
That part of a device upon which anything moves by sliding. 滑台。
Also, the part that slides. 滑动部分。
习语:
slide fastener 拉链。
slide projector 幻灯片放映机。
slide rule 计算尺。
slide valve (蒸气机关之)滑阀。
衍生词:
n. slider.
slide
来自翻译宝典
- 英语>简体中文, 美语词典
slide¹
/slaɪd/
n.
1. (in playground) 滑梯
to go on the slide 去滑滑梯
2. (of a photograph) 幻灯片
- He showed me some slides. 他向我展示了一些幻灯片。
3. <英> (hair clip) (装饰性的)发夹
4. (microscope slide) 载玻片
5. (in prices) (价格的)下跌, 降低
- There has been a slide in house prices. 房价有所下跌。
6. 【体】 (划船时的)滑座
7. 【机】 (sliding part) 滑动装置;滑动零件
8. 【机】 (track, channel) 滑道;滑轨
9. [+of trombone] 拉管;滑管
10. (portamento) 滑音;延音;溜音
11. 【音】 (tube) (吉他手为演奏滑音而戴在手指上的)滑棒
12. 【音】 (style) 滑棒吉他(乐)
13. 【地质】 (movement) 崩塌
14. 【地质】 (material) 崩塌的土块(或石块、雪块等)
/slaɪd/
n.
1. (in playground) 滑梯
to go on the slide 去滑滑梯
2. (of a photograph) 幻灯片
- He showed me some slides. 他向我展示了一些幻灯片。
3. <英> (hair clip) (装饰性的)发夹
4. (microscope slide) 载玻片
5. (in prices) (价格的)下跌, 降低
- There has been a slide in house prices. 房价有所下跌。
6. 【体】 (划船时的)滑座
7. 【机】 (sliding part) 滑动装置;滑动零件
8. 【机】 (track, channel) 滑道;滑轨
9. [+of trombone] 拉管;滑管
10. (portamento) 滑音;延音;溜音
11. 【音】 (tube) (吉他手为演奏滑音而戴在手指上的)滑棒
12. 【音】 (style) 滑棒吉他(乐)
13. 【地质】 (movement) 崩塌
14. 【地质】 (material) 崩塌的土块(或石块、雪块等)
slide²
/slaɪd/ (slides, sliding, slid)
vt.
使滑入;使轻松进入
- She slid the key into the keyhole. 她把钥匙插入了锁眼。
vi.
1. (move smoothly) 滑落
- Tears slid down his cheeks. 眼泪顺着他的面颊滑落。
2. (move quickly) [person +] 迅速移动;溜
- He slid into the driver's seat. 他麻利地坐到驾驶座上。
3. (into worse condition) 逐渐变糟;每况愈下
- She had slid into a depression. 她不觉沮丧起来。
4. [price, amount +] 下降;跌落
- The U.S. dollar continued to slide. 美元持续下跌。
5. 【音】 演奏滑音
idiom:
to let sth slide 对…放任自流;任…恶化
- He let the business slide. 他对生意下滑不管不顾。
Phrasal Verbs:
slide down, slide off
/slaɪd/ (slides, sliding, slid)
vt.
使滑入;使轻松进入
- She slid the key into the keyhole. 她把钥匙插入了锁眼。
vi.
1. (move smoothly) 滑落
- Tears slid down his cheeks. 眼泪顺着他的面颊滑落。
2. (move quickly) [person +] 迅速移动;溜
- He slid into the driver's seat. 他麻利地坐到驾驶座上。
3. (into worse condition) 逐渐变糟;每况愈下
- She had slid into a depression. 她不觉沮丧起来。
4. [price, amount +] 下降;跌落
- The U.S. dollar continued to slide. 美元持续下跌。
5. 【音】 演奏滑音
idiom:
to let sth slide 对…放任自流;任…恶化
- He let the business slide. 他对生意下滑不管不顾。
Phrasal Verbs:
slide down, slide off
- 英语>简体中文, 英汉大词典
slide¹ (slid slid)
/slaɪd/
n.
幻灯片;降低;滑行;山崩
(使)滑动,(使)滑行
vi. & vt.
滑行;逐渐陷入
/slaɪd/
n.
幻灯片;降低;滑行;山崩
(使)滑动,(使)滑行
vi. & vt.
滑行;逐渐陷入
- 英语>简体中文, 高中课标词汇
slide
v. (使)滑动,(使)滑行
n. 滑,滑动,幻灯片
v. (使)滑动,(使)滑行
n. 滑,滑动,幻灯片
- 英语>简体中文, 计算机词典
slide
v.(动词) slid[sl¹d] slid.ing, slides
v.intr.(不及物动词)
1. To move over a surface while maintaining smooth, continuous contact. 滑:在一个平面上移动,同时保持平滑的、连续的接触
2. To coast on a slippery surface, such as ice or snow. 滑行:在一个光滑的表面上(如冰或雪)滑行
3. To pass smoothly and quietly; glide: 溜走,潜行:平滑地、安静地通过;滑行:
- slid past the door without anyone noticing. 滑过门口,没被任何人发觉
4. To go unattended or unacted upon: 自然发展:未加处理或未加作为地过去:
- Let the matter slide. 让这件事自然发展吧
5. To lose a secure footing or positioning; shift out of place; slip: 滑倒:失去安全的立足点或位置;移出地方;打滑:
- slid on the ice and fell. 脚下一滑摔倒在冰上
6. To move downward: 滑落:向下移动:
- Prices began to slide. 价格开始下降
7. To return to a less favorable or less worthy condition. 不知不觉陷入:回到不太有利或不太有价值的状况
8. Baseball To drop down and skid, usually feet first, into a base to avoid being put out. 【棒球】 滑垒:倒地滑行,通常脚在前上垒以免被碰出局
v.tr.(及物动词)
To cause to slide or slip. 滑:使滑行或滑倒
n.(名词)
1. A sliding movement or action. 滑行:滑行的运动或行动
2. A smooth surface or track for sliding, usually inclined: 滑面,滑道:用于滑行的平面或路径,通常是倾斜的:
- a water slide. 滑水道
3. A playground apparatus for children to slide on, typically consisting of a smooth chute mounted by means of a ladder. 滑梯:供儿童滑行的一种操场器械,通常有一条光滑的斜道,可以用梯子爬上去
4. A part that operates by sliding, as the U-shaped section of tube on a trombone that is moved to produce various tones. U型滑管:靠滑动操作的部分,如长号上U型的管子部分,拉动它可以产生各种声调
5. An image on a transparent base for projection on a screen. 幻灯片:透明的底片上的形象,用于在屏幕上投影
6. A small glass plate for mounting specimens to be examined under a microscope. 载波片:一种玻璃板,用于放置在显微镜下观察的样本
7. A fall of a mass of rock, earth, or snow down a slope; an avalanche or a landslide. 土崩:一片岩石、泥土或雪从斜坡上的落下;雪崩或滑坡
8. Music 【音乐】
9. A slight portamento used in violin playing, passing quickly from one note to another. 滑音:小提琴演奏中使用的一种滑音,能迅速地从一个音调变到另一个音调
10. An ornamentation consisting of two grace notes approaching the main note. 装饰:一种修饰,由两个接近主调的装饰音构成
v.(动词) slid[sl¹d] slid.ing, slides
v.intr.(不及物动词)
1. To move over a surface while maintaining smooth, continuous contact. 滑:在一个平面上移动,同时保持平滑的、连续的接触
2. To coast on a slippery surface, such as ice or snow. 滑行:在一个光滑的表面上(如冰或雪)滑行
3. To pass smoothly and quietly; glide: 溜走,潜行:平滑地、安静地通过;滑行:
- slid past the door without anyone noticing. 滑过门口,没被任何人发觉
4. To go unattended or unacted upon: 自然发展:未加处理或未加作为地过去:
- Let the matter slide. 让这件事自然发展吧
5. To lose a secure footing or positioning; shift out of place; slip: 滑倒:失去安全的立足点或位置;移出地方;打滑:
- slid on the ice and fell. 脚下一滑摔倒在冰上
6. To move downward: 滑落:向下移动:
- Prices began to slide. 价格开始下降
7. To return to a less favorable or less worthy condition. 不知不觉陷入:回到不太有利或不太有价值的状况
8. Baseball To drop down and skid, usually feet first, into a base to avoid being put out. 【棒球】 滑垒:倒地滑行,通常脚在前上垒以免被碰出局
v.tr.(及物动词)
To cause to slide or slip. 滑:使滑行或滑倒
n.(名词)
1. A sliding movement or action. 滑行:滑行的运动或行动
2. A smooth surface or track for sliding, usually inclined: 滑面,滑道:用于滑行的平面或路径,通常是倾斜的:
- a water slide. 滑水道
3. A playground apparatus for children to slide on, typically consisting of a smooth chute mounted by means of a ladder. 滑梯:供儿童滑行的一种操场器械,通常有一条光滑的斜道,可以用梯子爬上去
4. A part that operates by sliding, as the U-shaped section of tube on a trombone that is moved to produce various tones. U型滑管:靠滑动操作的部分,如长号上U型的管子部分,拉动它可以产生各种声调
5. An image on a transparent base for projection on a screen. 幻灯片:透明的底片上的形象,用于在屏幕上投影
6. A small glass plate for mounting specimens to be examined under a microscope. 载波片:一种玻璃板,用于放置在显微镜下观察的样本
7. A fall of a mass of rock, earth, or snow down a slope; an avalanche or a landslide. 土崩:一片岩石、泥土或雪从斜坡上的落下;雪崩或滑坡
8. Music 【音乐】
9. A slight portamento used in violin playing, passing quickly from one note to another. 滑音:小提琴演奏中使用的一种滑音,能迅速地从一个音调变到另一个音调
10. An ornamentation consisting of two grace notes approaching the main note. 装饰:一种修饰,由两个接近主调的装饰音构成
- 英语>简体中文, 美国传统词典
slide
载玻片,崩塌
载玻片,崩塌
- 英语>简体中文, 英汉地理大词典
slide
n. 滑动,滑面,片,滑片,滑,滑动片,导板,滑坍;vt. 滑,使...滑动,放进去,流逝
n. 滑动,滑面,片,滑片,滑,滑动片,导板,滑坍;vt. 滑,使...滑动,放进去,流逝
- 英语>简体中文, 英汉化学大词典
slide
滑动触头;【动】使滑动
滑动触头;【动】使滑动
- 英语>简体中文, 英汉计算机词汇
slide
载玻片:将被检物载于其上以便显微镜检查的玻片
载玻片:将被检物载于其上以便显微镜检查的玻片
- 英语>简体中文, 英中医学辞海
slide
n. 片,载片
n. 片,载片
- 英语>简体中文, 英汉机械大词典
slide
n. 滑,滑动
n. 滑,滑动
- 英语>简体中文, 英汉汽车词典
slide
vt. & vi.
滑动; 滑行
- She slid along the ice. 她沿着冰面滑行。
vi.
滑落, 跌落
n.
滑行, 滑落
幻灯片
- We have a slide show every other week. 我们每隔一周观看一次幻灯片。
vt. & vi.
滑动; 滑行
- She slid along the ice. 她沿着冰面滑行。
vi.
滑落, 跌落
n.
滑行, 滑落
幻灯片
- We have a slide show every other week. 我们每隔一周观看一次幻灯片。
- 英语>简体中文, 简明英汉词典
slide1
(noun 名词)
滑梯
The children play on the slide. 儿童在滑梯上玩。
SYNONYM 同义词:chute.
幻灯片
I take slides with my camera. 我用照相机拍幻灯片。
SYNONYM 同义词:transparency.
(noun 名词)
滑梯
The children play on the slide. 儿童在滑梯上玩。
SYNONYM 同义词:chute.
幻灯片
I take slides with my camera. 我用照相机拍幻灯片。
SYNONYM 同义词:transparency.
slide2
(verb 动词)
滑动
to slide over a slippery surface. 在滑的地面上滑过去。
SYNONYM 同义词:aquaplane,coast, glide, glissade, skate, skid, ski, skim, slip,slither, toboggan.
(verb 动词)
滑动
to slide over a slippery surface. 在滑的地面上滑过去。
SYNONYM 同义词:aquaplane,coast, glide, glissade, skate, skid, ski, skim, slip,slither, toboggan.
- 英语>简体中文, 英语同义词词典
slide1
vi.
(slid [slid]; slid, slidden)
滑, 滑动[倒, 掉]
改变位置; 不知不觉地陷入(into)
偷偷进入[溜掉], 潜逃
流, 流逝, 放任自流
(棒球)溜进
【音】滑动
- slide on the ice 滑冰
- slide into bad habits 不知不觉地沾染上坏习惯
- slide into the room 偷偷溜进房间
- The book slid off my knee. 书从我膝盖上滑落。
vi.
(slid [slid]; slid, slidden)
滑, 滑动[倒, 掉]
改变位置; 不知不觉地陷入(into)
偷偷进入[溜掉], 潜逃
流, 流逝, 放任自流
(棒球)溜进
【音】滑动
- slide on the ice 滑冰
- slide into bad habits 不知不觉地沾染上坏习惯
- slide into the room 偷偷溜进房间
- The book slid off my knee. 书从我膝盖上滑落。
slide2
vt.
使滑动, 使轻轻溜过
用滑冰(等)消磨时间
偷偷把...放入(in, into)
- slide sth. into a drawer 偷偷地把某物塞进抽屉
- He slid the drawer open. 他拉开抽屉。
vt.
使滑动, 使轻轻溜过
用滑冰(等)消磨时间
偷偷把...放入(in, into)
- slide sth. into a drawer 偷偷地把某物塞进抽屉
- He slid the drawer open. 他拉开抽屉。
slide3
n.
滑动, 滑道[坡, 轨, 面], 滑梯
土[山, 雪]崩
堕落
发夹
【地质】断层, 冲断面, 褶皱
[棒球]溜进
滑动部分; 幻灯片; (显微镜的)载片;【摄】(照相机的)拉盖
【音】滑音, 延音; 长号的U形伸缩管
闸门[板], 导板; 计算尺; 滑动装置
【机】滑板[块, 尺, 座, 阀, 销, 盖]
继承用法
slide-bar
n.
滑[导]杆
slide-block
n.
滑板, 导块
slide-rail
n.
【电】滑轨
slide-rule
n.
计算尺
slideslipping
n.
平行式转弯
slideway
n.
滑槽
滑路, 滑斜面
导轨, 滑轨
slideable
adj.
slideableness
n.
slideably
adv.
let sth. slide
对某事漫不经心, 听其自然
let things [it] slide
听其自然
on the slide
[口]日益恶化
slide away
溜掉
slide into
不自觉地陷入(某种状态); 把...轻轻[偷偷]放入
slide over [round, around]
一语带过, 略过, 回避, 让...滑过
n.
滑动, 滑道[坡, 轨, 面], 滑梯
土[山, 雪]崩
堕落
发夹
【地质】断层, 冲断面, 褶皱
[棒球]溜进
滑动部分; 幻灯片; (显微镜的)载片;【摄】(照相机的)拉盖
【音】滑音, 延音; 长号的U形伸缩管
闸门[板], 导板; 计算尺; 滑动装置
【机】滑板[块, 尺, 座, 阀, 销, 盖]
继承用法
slide-bar
n.
滑[导]杆
slide-block
n.
滑板, 导块
slide-rail
n.
【电】滑轨
slide-rule
n.
计算尺
slideslipping
n.
平行式转弯
slideway
n.
滑槽
滑路, 滑斜面
导轨, 滑轨
slideable
adj.
slideableness
n.
slideably
adv.
let sth. slide
对某事漫不经心, 听其自然
let things [it] slide
听其自然
on the slide
[口]日益恶化
slide away
溜掉
slide into
不自觉地陷入(某种状态); 把...轻轻[偷偷]放入
slide over [round, around]
一语带过, 略过, 回避, 让...滑过
英语>简体中文, 现代英汉综合大辞典
slide
玻片
玻片
- 英语>繁体中文(香港), 科学术语
slide
大陆名称:滑动
台湾名称:滑動;崩落
大陆名称:滑动
台湾名称:滑動;崩落
- 英语>简体/繁体中文, 两岸学术名词
slide
大陆名称:滑尺
台湾名称:滑動;滑件
大陆名称:滑尺
台湾名称:滑動;滑件
- 英语>简体/繁体中文, 两岸学术名词
slide
滑塊;滑動;幻燈片
滑塊;滑動;幻燈片
- 英语>繁体中文(台湾), 材料科学名词
slide
滑動;崩落
滑動;崩落
- 英语>繁体中文(台湾), 测量学名词
slide
滑動
滑動
- 英语>繁体中文(台湾), 地理学名词
slide
滑動;崩移
滑動;崩移
- 英语>繁体中文(台湾), 地质学名词
slide
滑動;崩落
滑動;崩落
- 英语>繁体中文(台湾), 地球科学名词
slide
滑動
滑動
- 英语>繁体中文(台湾), 电子工程名词
slide
滑
滑
- 英语>繁体中文(台湾), 电子计算机名词
slide
1.滑動,滑波;2.崩移
1.滑動,滑波;2.崩移
- 英语>繁体中文(台湾), 海洋地质学名词
slide
滑動
滑動
- 英语>繁体中文(台湾), 海洋科学名词
slide
滑動;滑波;崩移
滑動;滑波;崩移
- 英语>繁体中文(台湾), 海洋科学名词
slide
位數移動
位數移動
- 英语>繁体中文(台湾), 会计学名词
slide
導軌
導軌
- 英语>繁体中文(台湾), 机构与机器原理名词
slide
滑件;滑塊;滑動;幻燈片
滑件;滑塊;滑動;幻燈片
- 英语>繁体中文(台湾), 机械工程名词
slide
滑軌;滑板;幻燈片
滑軌;滑板;幻燈片
- 英语>繁体中文(台湾), 计量学名词
slide
花式煞停
花式煞停
- 英语>繁体中文(台湾), 教育学名词
slide
山崩;滑動
山崩;滑動
- 英语>繁体中文(台湾), 矿冶工程名词
slide
滑動
滑動
- 英语>繁体中文(台湾), 力学名词
slide
滑件
滑件
- 英语>繁体中文(台湾), 生产自动化名词
slide
載玻片,載片,載物片
載玻片,載片,載物片
- 英语>繁体中文(台湾), 兽医学名词
slide
拉蓋(照相機);幻燈片;拉筒(目鏡)
拉蓋(照相機);幻燈片;拉筒(目鏡)
- 英语>繁体中文(台湾), 天文学名词
slide
幻燈單片
幻燈單片
- 英语>繁体中文(台湾), 资料科学名词
slide
滑動
滑動
- 英语>繁体中文(台湾), 土壤学名词
slide
滑片;幻燈片
滑片;幻燈片
- 英语>繁体中文(台湾), 物理学名词
slide
玻片
玻片
- 英语>繁体中文(台湾), 医学名词
slide
幻燈片
幻燈片
- 英语>繁体中文(台湾), 新闻传播学名词
slide
幻灯片
A frame that contains text, shapes, pictures, or other content. A slide is a digital equivalent to a traditional film slide.
幻灯片
A frame that contains text, shapes, pictures, or other content. A slide is a digital equivalent to a traditional film slide.
- 英语>简体中文, IT术语集
slide
滑动
To place a finger on the screen, move the finger in one or more directions, and then take the finger off of the screen.
滑动
To place a finger on the screen, move the finger in one or more directions, and then take the finger off of the screen.
- 英语>简体中文, IT术语集
slide
滑动
A gesture represented by placing a finger on the screen, moving the finger in one or more directions, and then taking the finger off the screen.
滑动
A gesture represented by placing a finger on the screen, moving the finger in one or more directions, and then taking the finger off the screen.
- 英语>简体中文, IT术语集
slide
投影片
A frame that contains text, shapes, pictures, or other content. A slide is a digital equivalent to a traditional film slide.
投影片
A frame that contains text, shapes, pictures, or other content. A slide is a digital equivalent to a traditional film slide.
- 英语>繁体中文(台湾), IT术语集
slide
滑動
A gesture represented by placing a finger on the screen, moving the finger in one or more directions, and then taking the finger off the screen.
滑動
A gesture represented by placing a finger on the screen, moving the finger in one or more directions, and then taking the finger off the screen.
- 英语>繁体中文(台湾), IT术语集
slide
滑動
To place a finger on the screen, move the finger in one or more directions, and then take the finger off of the screen.
滑動
To place a finger on the screen, move the finger in one or more directions, and then take the finger off of the screen.
- 英语>繁体中文(台湾), IT术语集
slide
/slaɪd/
(sliding, slid,slides)
1. 及物动词/不及物动词 When something slides somewhere or when you slide it there, it moves there smoothly over or against something. 使滑动; 滑动
- She slid the door open. 她把门滑开了。
- I slid the wallet into his pocket. 我把那钱包滑进了他的口袋。
2. 不及物动词 If you slide somewhere, you move there smoothly and quietly. 悄悄地溜到
- He slid into the driver's seat. 他悄悄地坐到了司机的座位上。
3. 不及物动词 To slide into a particular mood, attitude, or situation means to gradually start to have that mood, attitude, or situation often without intending to. 不知不觉地陷入 (某种情绪、态度或情形)
- She had slid into a depression. 她不知不觉地抑郁寡欢起来。
4. 及物动词/不及物动词 If currencies or prices slide, they gradually become worse or lower in value. 使减少; 下跌 [journalism]
- The dollar continued to slide. 美元继续下跌。
5. 可数名词 Slide is also a noun. 下跌
- ...the dangerous slide in oil prices. …石油价格危险的下跌。
6. 可数名词 A slide is a small piece of photographic film which you project onto a screen so that you can see the picture. 幻灯片
- ...a slide show. …幻灯片放映。
7. 可数名词 A slide is a piece of glass on which you put something that you want to examine through a microscope. (显微镜的) 载物玻璃片
- ...a drop of blood on a slide. …载物玻璃片上的一滴血。
8. 可数名词 A slide is a piece of playground equipment that has a steep slope for children to go down for fun. 滑梯
- ...two young children playing on a slide. …在玩滑梯的两个年幼的孩子。
/slaɪd/
(sliding, slid,slides)
1. 及物动词/不及物动词 When something slides somewhere or when you slide it there, it moves there smoothly over or against something. 使滑动; 滑动
- She slid the door open. 她把门滑开了。
- I slid the wallet into his pocket. 我把那钱包滑进了他的口袋。
2. 不及物动词 If you slide somewhere, you move there smoothly and quietly. 悄悄地溜到
- He slid into the driver's seat. 他悄悄地坐到了司机的座位上。
3. 不及物动词 To slide into a particular mood, attitude, or situation means to gradually start to have that mood, attitude, or situation often without intending to. 不知不觉地陷入 (某种情绪、态度或情形)
- She had slid into a depression. 她不知不觉地抑郁寡欢起来。
4. 及物动词/不及物动词 If currencies or prices slide, they gradually become worse or lower in value. 使减少; 下跌 [journalism]
- The dollar continued to slide. 美元继续下跌。
5. 可数名词 Slide is also a noun. 下跌
- ...the dangerous slide in oil prices. …石油价格危险的下跌。
6. 可数名词 A slide is a small piece of photographic film which you project onto a screen so that you can see the picture. 幻灯片
- ...a slide show. …幻灯片放映。
7. 可数名词 A slide is a piece of glass on which you put something that you want to examine through a microscope. (显微镜的) 载物玻璃片
- ...a drop of blood on a slide. …载物玻璃片上的一滴血。
8. 可数名词 A slide is a piece of playground equipment that has a steep slope for children to go down for fun. 滑梯
- ...two young children playing on a slide. …在玩滑梯的两个年幼的孩子。
英语>简体中文, 高级英汉双解词典