n. 1.滴；液滴，水滴。 2.〔pl.〕 【药学】滴剂；滴眼药。 3.微量，点滴；一口[杯]酒。 4.滴状物；耳坠；水果糖。 5.急降，降落；(物价)下跌，(生产)减低；败落，没落；落下距离，高低平面间的相差距离；(地面的)陷落深度；陡坡；【水利；水文】落差；【军事】弹道降落距离。 6.(绞刑台的)踏板；(绞刑犯的)吊起高度。 7.(邮箱的)投信口；门上的锁孔盖；【建筑】吊饰；【机械工程】落锤；(戏院的)垂幕；吊装布景。 8.中央保管所[仓库]。 9.降落伞部队；空投(物资)。 10.【橄榄球】投踢 (＝drop-kick) 【棒球】下曲球。 11.【机械工程】轴吊距；【航海】横帆的纵幅。 12.绞刑台。 13.刚出生的小动物；落果。 14.〔美俚〕(间谍等藏匿、传递情报的)情报点，秘密传递点。 短语和例子 a drop of rain 雨[水]滴。 two drops of quinine 两滴奎宁。 a drop of whisky 一口威士忌酒。 a drop of fever 有一点发烧。 the drop of tears 落泪。 a drop in prices 跌价。 a ten feet drop 十英尺的落下距离[落差]。 a sharp drop to the lake 斜向湖边的陡坡。 lemon drops 柠檬水果糖。 a persimmon drop 树上落下的柿子。 a drop in the bucket [ocean] 沧海之一粟。 at the drop of a [the] hat 〔美俚〕一发信号就；随即，立刻；欣然 (He used to fight at the drop of a hat. 他总是一看到信号就大打出手)。 drop by drop 一滴滴，一点点。 get [have] the drop on (sb.) 〔美俚〕 1. 先拔枪对准(某人)，先发制(人)。 2. 胜过(某人)。 have a drop in one's eye 〔俚语〕微醉，带醉。 take a drop 喝一杯 (take a drop too much 喝醉了)。 vt. (dropped, (罕) dropt dropping) 1.使滴下，淌(汗等)。 2.垂下，放下；使落下，投下；空投；放低(声音等)；降低(速度等)。 3.(失手)落下，丢下；失落(钱包等)。 4.省略；遗漏。 5.丢开(话题等)；改掉(习惯等)；断绝(来往等)。 6.随便地说出，无意中漏出。 7.(把信)投入(邮筒)；(随便地)写、寄(信等)。 8.射落，打下(鸟等)；击倒；〔俚语〕杀掉。 9.降级；〔美国〕解雇；开除(学生等)。 10.下(乘客)，下(车)；辞别(同行人)。 11.(动物)下(崽)，产(仔)。 12.【航海】赶过，超越；使(岛等)从视线中消失。 13.【橄榄球】把落地球踢进(球门)；【篮球】投球进(篮)；【牌戏】吊出(王牌等)。 14.〔俚语〕(赌博等)输(钱)；(比赛)失(局等)。 15.把(鸡蛋)打入沸水中煮。 16.〔美俚〕吞服(丸药)。 17.退修(课程)。 18.将(衣服的滚边)放长。 短语和例子 drop lemon juice into tea 给茶加柠檬汁。 drop sweat 流汗[血]。 drop a bottle 失手打破一个瓶子。 I must have dropped my wallet in the taxi. 我必定是把皮夹子遗失在出租汽车里了。 drop a line 垂钓。 drop a curtain 落幕。 drop one's eyes 垂下眼睛。 Let us drop the subject. 把这个问题放下吧。 drop one's speed by ten kilometers 把每小时车速降低十公里。 drop smoking 戒烟。 drop a hint 暗示。 drop a sigh (无意中)叹一口气。 drop sb. a line 略写数语寄给[简告]某人。 drop sb. with a blow 一拳把某人打倒在地。 drop one's voice to a whisper 放低声音窃窃私语。 drop one's friend 和友人断交。 be dropped from the club 被俱乐部除名。 I'll drop you at your door. 我送你到家下车吧。 drop the ball through the basket 投篮命中。 drop two games 输掉两局。 drop a litter of six kittens 下了一窝六只小猫。 drop 300 combat troops 空投下300支战斗部队。 drop the island 船驶过的岛屿已从视线中消失。 vi. 1. 滴，滴落；降落，落下，落；(慢慢地)顺流而下 (down) (话等)无意中漏出；〔美俚〕(罪犯等)落网。 2. (价格)跌落；(声音等)变弱，变低。 3. 倒下；倒毙；消失；完结，终止；(习惯等)停止，(交往等)断绝；(从窗口等)跳下。 4. 下垂；下山，下车；降；访问 (in by over)。 5. 落伍，落后。 6. (猎犬找到猎物时)蹲下。 7. (动物)下仔。 8. 〔口语〕(从比赛等中)退出。 9. 【牌戏】被迫打出王牌。 短语和例子 Rain drops from the cloud. 云层中落下雨滴。 drop off a cliff 从悬崖上坠下。 A pin could be heard to drop. 一根针落在地上也听得见，寂静之极。 drop to the ground 倒地。 There the matter dropped. 事情到那一步就了结了。 Our correspondence has dropped. 我们的通信中止了。 I will work till I drop. 工作到死，鞠躬尽瘁。 drop from a race 退出赛跑。 drop out of college 退学。 drop from sight 消失不见。 Her voice dropped. 她的声音低下去了。 drop into reminiscence 陷入回忆。 drop down a river 慢慢地顺流而下。 be ready [fit] to drop 疲倦得要死。 drop a brick 〔口语〕失言，出错，出丑。 drop across 1. 偶然碰见。 2. 谴责。 drop asleep 睡着。 drop astern 落在(他船)后面。 drop a stitch (编织时)漏掉一针。 drop away 一滴一滴落下；(一个个)走掉；(不知不觉间)跑掉 (The guests drop away one by one. 客人一个个散了)。 drop back 1. 退后，后撤。 2. 恢复旧习，故态复萌 (into)。 drop behind [back in line, to the rear] 落伍，落在后头。 drop by 〔美国〕顺便到(某处)去一下，随便访问一下。 drop by drop 一滴一滴地。 drop dead 倒毙，暴死。 drop down 1. 倒下。 2. (风等)突然停止。 3. 沿(河)而下。 drop in 〔口语〕 1. 顺便到(某处)访问 (Please drop in to tea. 请随便来我家喝茶。 drop in on sb. 偶然访问某人)。 2. 偶然遇见 (with)。 drop into 1. 跌入，落入。 2. 偶然进入 (drop into a house 偶然走进一所房屋)。 3. 不知不觉地进入(某种状态)，不知不觉地养成(习惯等) (drop into sleep 不知不觉地睡着了。 drop into a habit 养成某种习惯。 drop into discussion 不知不觉地谈论起来)。 drop off 1. (客)(一一)散去，走掉。 2. 睡着。 3. 衰落。 4. 流出。 5. 〔口语〕死。 D- it! 停止!别闹了!别那样了! drop on [upon] 〔口语〕严厉谴责。 drop on one's knees 跪下。 drop out 1. 退出，脱离；(因不满传统制度而)退出正常社会，放浪形骸。 2. 失落，落出。 3. 消失，隐退 (of)。 drop short 1. 不足 (of)。 2. 〔口语〕暴死。 drop the leather 〔美国〕(篮球)投中得分。 drop through 彻底失败。 let drop 1. 忽略，遗漏。 2. 放弃，撒手。 adj. -like 水滴似的，滴状的。 n. -let 微滴。
the act of dropping something; "they expected the drop would be successful"
a central depository where things can be left or picked up
a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery 同义词：drop curtain, drop cloth,
a sudden sharp decrease in some quantity; "a drop of 57 points on the Dow Jones index"; "there was a drop in pressure in the pulmonary artery"; "a dip in prices"; "when that became known the price of their stock went into free fall" 同义词：dip, fall, free fall,
a free and rapid descent by the force of gravity; "it was a miracle that he survived the drop from that height" 同义词：fall,
a predetermined hiding place for the deposit and distribution of illicit goods (such as drugs or stolen property)
a steep high face of rock; "he stood on a high cliff overlooking the town"; "a steep drop" 同义词：cliff, drop-off,
a small indefinite quantity (especially of a liquid); "he had a drop too much to drink"; "a drop of each sample was analyzed"; "there is not a drop of pity in that man"; "years afterward, they would pay the blood-money, driblet by driblet"--Kipling 同义词：drib, driblet,
a shape that is spherical and small; "he studied the shapes of low-viscosity drops"; "beads of sweat on his forehead" 同义词：bead, pearl,
give birth; used for animals; "The cow dropped her calf this morning"
grow worse; "Her condition deteriorated"; "Conditions in the slums degenerated"; "The discussion devolved into a shouting match" 同义词：devolve, deteriorate, degenerate,
fall or sink into a state of exhaustion or death; "shop til you drop"
stop pursuing or acting; "drop a lawsuit"; "knock it off!" 同义词：knock off,
lower the pitch of (musical notes) 同义词：flatten,
go down in value; "Stock prices dropped"
change from one level to another; "She dropped into army jargon"
leave undone or leave out; "How could I miss that typo?"; "The workers on the conveyor belt miss one out of ten" 同义词：neglect, pretermit, omit, miss, leave out, overlook, overleap,
omit (a letter or syllable) in speaking or writing; " New Englanders drop their post-vocalic r''s"
utter with seeming casualness; "drop a hint"; drop names"
lose (a game); "The Giants dropped 11 of their first 13"
take (a drug, especially LSD), by mouth; "She dropped acid when she was a teenager"
cause to fall by or as if by delivering a blow; "strike down a tree"; "Lightning struck down the hikers" 同义词：fell, strike down, cut down,
leave or unload; "unload the cargo"; "drop off the passengers at the hotel" 同义词：drop off, set down, put down, unload, discharge,
get rid of; "he shed his image as a pushy boss"; "shed your clothes" 同义词：shed, cast, cast off, shake off, throw, throw off, throw away,
let or cause to fall in drops; "dribble oil into the mixture" 同义词：dribble, drip,
to fall vertically; "the bombs are dropping on enemy targets"
let fall to the ground; "Don''t drop the dishes"
fall or descend to a lower place or level; "He sank to his knees" 同义词：sink, drop down,
pay out; "spend money" 同义词：spend, expend,
terminate an association with; "drop him from the Republican ticket"
stop associating with; "They dropped her after she had a child out of wedlock" 同义词：dismiss, send packing, send away,
hang freely; "the ornaments dangled from the tree"; "The light dropped from the ceiling" 同义词：dangle, swing,
例句与用法
1.
He used to fight at the drop of a hat . 他总是一看到信号就大打出手。
2.
Old mrs. blenkinsop dropped a curtsey . 老布伦金索普太太行了屈膝礼。
3.
He was closemouthed and did n't drop a hint . 他嘴很紧，不透一点风。
4.
She read a few lines and dropped the volume . 她读了几行，合上书本。
5.
Take care not to spill a drop of the medicine . 注意一滴药也不要洒。
6.
The colonel's eyes dropped with tiredness . 上校的眼睛累得张不开了。
7.
A few drops of wine had spilled upon the table . 有几滴酒溅在桌子上。
8.
Thus, the terminal voltage drops to zero . 这样，路端电压就降到零。
9.
Drop your cigarette ashes into the ashtray . 请把香烟灰弹在烟灰缸里。
10.
For he knew he wanted him to drop it . 因为他心里就是巴不得要他失手。
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