futon
n. 日本床墊,蒲團; (有支架可摺疊成長榻的)蒲團
A futon is a piece of furniture which consists of a thin mattress on a low wooden frame which can be used as a bed or folded up to make a chair.
1. mattress consisting of a pad of cotton batting that is used for sleeping on the floor or on a raised frame
Get up now, and don't forget to fold up the futon.
起來吧, 別忘了疊被子.
I'm hanging up this futon to dry.
我把被子掛起來曬乾.