mattress

US /ˈmæt.rəs/

UK /ˈmæt.rəs/

床垫

a fabric case filled with soft, firm, or springy material, used for sleeping on

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I need a new mattress for my bed.

我的床需要一个新的床垫。

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The old mattress was lumpy and uncomfortable.

旧床垫凹凸不平，很不舒服。