名词
中文翻译：木料床垫
同义词：
['pine mattress', 'cedar mattress例句：1. We bought a new lumber mattress for our guest room.（我们为客房买了一张新的木料床垫。）']
例句：
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1. We bought a new lumber mattress for our guest room.
我们为客房买了一张新的木料床垫。
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2. The old lumber mattress was too uncomfortable to sleep on.
旧的木料床垫太不舒服了，不能用来睡觉。
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3. They replaced the worn lumber mattress with a new one.
他们用一个新的木料床垫替换了旧的。