mattress

The ten young people sleep between two hard, narrow beds and one large mattress on the floor with no privacy at all.

十个年轻人就睡在两张窄小的硬板床和地板上的一张大床垫上，没有任何隐私可言。

If someone pokes fun at your mattress on the floor, or teases you about your empty cabinets, smile and take it in stride.

如果有人取笑你放在地板上的床垫，或揶揄你空空的橱柜，请面带微笑从容应对此事。

She laid a spring mattress under the sheet.

她在床单下面铺了一个弹簧床垫。