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v (1)(使)下沉，(使)沉沒(méi)，落下((cause to)fall or drop，go down below the surface;fall gradually and slowly downwards)[I，I+prep，I+adv，T+n]：Wood floats on water but metal～s. 木頭能漂浮在水面，而金屬卻下沉。The ship sank with all her crew/to the bottom of the sea. 那艘船和所有的船員都沉沒(méi)了/沉入海底。The moon sank behind the mountain. 月亮落到山背后去了。The sun is gradually～ing low/below the horizon. 太陽(yáng)正徐徐落下/落到地平線下。His feet sank deep into the mud. 他的雙腳深深陷進(jìn)泥里。That ship was sunk by a storm/a submarine. 那艘船因暴風(fēng)雨而沉沒(méi)/被潛水艇擊沉了。

(2)下陷(go down gradually)[I，I+prep]：The roof is beginning to～. 屋頂開(kāi)始凹陷。The building sank under its weight. 那座建筑因其本身的重量而下沉。The ground suddenly sank under his feet. 他腳下的土地突然陷下去了。

(3)(液體)降低，減少((of liquid) fall gradually to a lower level;become smaller in quantity)[I]：The lake has sunk much below its former level. 湖水比先前又降低了許多。The floods are～ing rapidly. 洪水退得很快。

(4)減弱(少)，貶值(become less in degree，force，amount or value)[I，I+prep]：The storm is beginning to～. 暴風(fēng)雨開(kāi)始減弱。Their standard of living sank steadily. 他們的生活水平不斷下降。Her voice sank to a whisper. 她的聲音小得成了耳語(yǔ)。The shares have sunk in price. 股票的價(jià)格下跌了。The population of the island has sunk from 100 to 20. 那個(gè)島上的人口已從100人減少到20人?！玦n the estimation of one's friends (fig)在朋友中人緣越來(lái)越差;

(5)挖掘(make by digging or boring)[T+n，T+n+prep]：～a hole/a well/a mine 挖個(gè)洞/打口井/開(kāi)個(gè)礦;～a tunnel into a hill 在山中挖隧道;

(6)埋(打)入(bury or fix into the ground)[T+n，T+n+prep]：～a pipe/a cable 埋設(shè)一條管道/電纜;～a post ten feet into the ground 把樁打入地下10英尺的地方;

(7)(身體或其部分)下垂，倒(落)下((of the body or a part of the body) (let) fall or slide down gradually;drop down)[I，I+prep，I+adv，T+n+prep]：My heart sank. 我的心一沉(感到失望)。～into a chair 一屁股坐進(jìn)椅子里;Her head sank onto her chest. 她的頭垂在胸前。She sank to the floor in a faint. 她昏倒在地。She sank down on the bench and waited for the next bus. 她在長(zhǎng)凳上坐下來(lái)，等下一班公共汽車?！玱ne's head in one's hands 用手抱住了頭;

(8)凹陷(become or seem deep or hollow)[I+adv]：His eyes/cheeks have sunk in. 他的眼睛/面頰凹下去了。

(9)滲入(go gradually into;be absorbed)[I+prep]：The rain sank into the dry and thirsty land. 雨水滲入干旱的土地。The rain sank through his clothes. 雨水濕透了他的衣服。The dye～s in well. 這種染料容易滲進(jìn)去。

(10)陷入某種狀態(tài)(pass or fall into some state)[I+prep (into)]：～into a coma/a deep sleep 陷入昏迷/沉沉入睡;～into deep thought/meditation 陷入沉思;～into poverty/misery/despair陷入貧困/痛苦/絕望之中;

(11)墮落(go down so far morally as to do sth)[I+prep (to)]：I didn't imagine that he would～to cheating. 我沒(méi)有想到他會(huì)墮落到行騙的地步。

(12)投資(invest in some business)[T+n+prep (in/into)]：～money in an enterprise 投資于一個(gè)企業(yè);He sank all his capital in house-building. 他把所有的資金都投資于房屋建造了。

sink one's differences 摒棄分歧：Let's～our differences and unite to finish the task. 讓我們摒棄分歧，團(tuán)結(jié)起來(lái)完成任務(wù)。

sink or swim 成敗全靠自己，無(wú)論成敗; I was left to～or swim. 成敗全靠我自己了。S～or swim，I will try. 無(wú)論成敗，我都要試一試。

sink in (v adv)完全理解(vi)：Everybody laughed at the joke but Tom;it took a moment for it to～in before he laughed too. 聽(tīng)到那個(gè)笑話，除了湯姆以外大家都笑了。過(guò)了一會(huì)兒他才明白過(guò)來(lái)，跟著也笑了。

→′sinkable adj 會(huì)沉的;′sinker n 掘(礦)井工人，鉛墜;′sinkhole n 污水坑，排水口;′sunken adj 沉沒(méi)的，下(凹)陷的;

n 洗滌槽(basin for washing，as in a kitchen，with a pipe for draining off dirty water)[C]：a kitchen～廚房?jī)?nèi)的洗滌槽;a～unit 洗滌槽組合臺(tái)