及物动词
不及物动词
名词
1. 长沙发;长榻
A couch is a long, comfortable seat for two or three people.
2. (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.
3. (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.