N-COUNT A mattress is the large, flat object which is put on a bed to make it comfortable to sleep on. 床垫
She then laid twenty mattresses one upon another over the three peas, and put twenty feather beds over the mattresses.
她在三粒豌豆上面放了二十床垫子,又在垫子上放了二十床鸭绒被。
I carry seating mattresses and bolsters up to the flat roof.
我负责搬坐垫上屋顶平台。
Inflatable mattresses and sleeping bags dot the grand marble foyers.
可充气的床垫和睡袋分布在豪华的大理石议会门厅中。
Furthermore, they argued, "We'll have to replace the mattresses more often."
她们还反对道,我们还得更频繁地更换床垫“
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