长沙发椅

例句：

1. 1. The sofa is very comfortable and the cushions are soft.
   沙发很舒服，垫子很软。
2. 2. He sat on the couch and watched TV.
   他坐在沙发上看电视。
3. 3. The couch was too small for the family.
   沙发太小了，不适合这个家庭。