a soundproof room的用法和样例：
- Perhaps because you fear that someone will not respond well to what you have to say, you have locked yourself in the psychological equivalent of a soundproof room.
- Have sound-absorbing function, apply to smallpox and soundproof room.
- It is hard to sleep without a cooler in this room.
- For some,falling in lvoe is like walking into a soundproof confessional booth,a place where you can tell all.