... soundproof material 隔音材料 ; 防音材料 ; 隔声材料 soundproof door 隔声门 ; 隔音门 soundproof construction 隔声构造 ...
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soundproof f door 隔声门
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Whatever happened to a big, solid, soundproof door?
那些大而结实的隔音门到哪里去了？
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He made the calls from behind his closed bedroom door, but the apartment was not large and the door was hardly soundproof.
他打电话时总把自己关在卧室里，房门紧闭。 但公寓并不大，房门也基本上毫不隔音。
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