couch基本解释
n,睡椅，[家具]长沙发；床；卧榻,同近
Tom offered to sleep on the couch..汤姆说他来睡沙发。
睡椅，长沙发椅英释nna comfortable piece of furniture big enough for two or three people to sit on
on the couch,在沙发上；[美口]接受心理分析.短语
