例句：
1、We came home and found him asleep on the sofa.
我们回到家发现他在沙发上睡着了。
2、 The sofa also functions as a bed.
这沙发还可当床用。
3、The sofa will serve as a bed for a night or two.
沙发可以当床凑合一两夜。
4、When I get home I like to collapse on the sofa and listen to music.
回到家时，我喜欢倒在沙发上听音乐。
5、He lay down on the sofa and soon fell asleep.
他在沙发上躺下，很快就睡着了。