soundproofing
US /ˈsaʊndˌpruː.fɪŋ/
UK /ˈsaʊndˌpruː.fɪŋ/
名詞
1.
防音
special material put in a room or building in order to prevent sound from passing out of or into it, or the act of putting in this material:
例:
•
He added soundproofing in response to neighbors' complaints about noise.
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