sound level的用法和樣例：
例句
用作名詞 (n.)
- In the environment with lower noise level, the earplug will decrease its sound insulation factor accordingly to ensure the useful voice can be heard.
在低聲級環境中，其隔音量又足夠低，可以保證能接收到一些有用的聲信號。
sound level的相關資料：
臨近單詞
sound bow
sound
Sound-induced EEG abnormality
soundness monitoring of bridges
sound-to-picture separation
sound carrier rejection circuit
Sound Control of Future Vehicle
Sound effect of pistol shooting
sound of something astir rhythm
Sound Module For Greeting Cards
sound absorption lowering noise
sound-and-speech recognition
