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
n. 长沙发, 睡椅, 卧榻
vt. 横躺, 表达
vi. 躺下, 蹲伏
1. I like to relax on the couch after a long day.
我喜欢在长时间工作后坐在沙发上放松。
2. We watched a movie together on the couch last night.
我们昨晚一起在沙发上看了一部电影。
3. She put a blanket on the couch to make it more comfortable.
她在沙发上放了一条毯子，让它更舒适。