每日习语：as soft as down

英语自学网

　　as soft as down 　柔软如绒毛
        　　I lay fast asleep on the couch, which was as soft as down, and did not wake until late in the morning.
        　　我在软如绒毛般的长沙发椅上睡着了，一直睡到早晨很晚才醒来。