n. 长沙发椅( couch的名词复数 ); 睡椅; （病人受检查时躺的）长榻; （尤指诊室内的）诊察台
英文释义
n an upholstered seat for more than one person
n a flat coat of paint or varnish used by artists as a primer
n a narrow bed on which a patient lies during psychiatric or psychoanalytic treatment
v formulate in a particular style or language