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n (1)口，嘴(opening of the body through which an animal or human being takes in food and by which sounds are made)[C，U]：open/close/shut one's～張/閉/閉口;a big/tight/foul～嘴不嚴(yán)/嘴巴緊/嘴不干凈;get/put sth in one's～吃東西;The dog seized the bone in his～.狗用嘴叼著骨頭。talk with one's～full (with food in one's～) 嘴里吃著東西講話;

(2)出(入)口(opening，entrance of a bottle，cave，river，etc)[C]：the～of a bottle/jar/well /cannon /cave /volcano 瓶/罐/井/炮/洞/火山口;The river deposited soil at its～.河水把淤泥沉積在河口。〖同〗entrance，opening;

(3)要供養(yǎng)的人(指兒童，老人)(person as consumer of food)[C]：have three～s to feed要供養(yǎng)三口人;

(4)空話，無聊的話(meaningless talk)[U](infml)(derog)：all～no action 光說不干;

→′mouthful n 一口，一滿口(的量);′mouth-organ n口琴;′mouthpiece(樂器等)吹口;?mouth-to-′mouth adj 口對(duì)口呼吸(指人工呼吸);′mouthwash n 漱口液(藥);′mouthwatering adj 令人垂涎的，誘人的;

v (1)言不由衷，不知所云(say sth without understanding or insincerety)[Tn](derog)：～speeches/opinions/pompous truisms 裝腔作勢(shì)地講話/言不由衷的說教/講大道理;listening to sb～ing excuses 聽某人編造借口;〖同〗pronounce;

(2)不出聲，用口型默示(form a word with the mouth without making any sound)[I，T+n]：～the words to sb 向某人不出聲地說這些話;She～ed the word “No”. 她用口型默示“不”。He～ed“Water?”他默示的是“水”? The singers are only～ing words.這些歌手只是在對(duì)口型?！玞urses 不出聲地咒罵