- couch
 - [kautʃ]
 - n. 睡椅,长沙发;床;卧榻
vi. 蹲伏,埋伏;躺着
vt. 使躺下;表达;弯下 
参考例子
           - 1.He couched his demands in very polite terms.
 - 他用十分委婉的措辞表达了他的要求。
 
- 2.This is not just a couch.
 - 这不仅仅是一张普通的沙发。
 
- 3.The tired girl reclined on the couch.
 - 这个疲倦的女孩斜躺在长沙发上。
 
英文解释
           - n.
 - 1.an upholstered seat for more than one person
 - 2.a flat coat of paint or varnish used by artists as a primer
 - 3.a narrow bed on which a patient lies during psychiatric or psychoanalytic treatment
 
- v.
 - 1.formulate in a particular style or language
 
网络释义
               - couch
 - 沙发; 长沙发椅; 长沙发; 睡椅;
 
- planigraphy couch
 - 平面摄影床;
 
- couch board
 - 多层纸板;
 
- diagnostic couch
 - 诊床; 诊断床;
 
- couch break
 - 伏辊断头;