memory foam
短语记忆棉
词形变化
memory foams
复数
memory foams
释义与例句
n.
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1.
Foam consisting of polyurethane and other chemicals used in the manufacturing of pillows, mattresses, laptop sleeves, etc, which reacts to body heat and molds to the shape of the body.
记忆棉
可数 不可数
词源
So called because it "remembers", or keeps, the shape of something pressed against it.
来源:wiktionary