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				N-COUNT 长沙发;长榻 A couch is a long, comfortable seat for two or three people. 
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				N-COUNT (病人接受检查或治疗时的)诊察台 A couch is a narrow bed which patients lie on while they are being examined or treated by a doctor. 
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				VERB (以某种语言风格)表达,措词 If a statement is couched in a particular style of language, it is expressed in that style of language. 例句 The new centre-right government's radical objectives are often couched in moderate terms...
						新的中右翼政府经常以温和的语言表述其激进的目标。
						This time the proposal was couched as an ultimatum.
						这一次该提议是以最后通牒的形式提出来的。