Whatever happened to a big, solid, soundproof door?

那些大而结实的隔音门到哪里去了？

youdao

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。

youdao

Imagine you're about to take a bath in a soundproof bathroom. There are no Windows. There's only one door, and it locks automatically from outside when shut.

假设你准备在一间隔音的浴室里洗澡，浴室没有窗户，只有一扇门，门一旦关上就自动锁起来，从外面才能打开。

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