Deafener
减音器
🗣️ 情景例句
What dorm do you live in?
你住在那个宿舍？
What is the total circulation of this publication.
这家刊物总发行量多少？
You will find that people will help you if you are ready to help them.
你会发现，如果你乐于帮助别人，别人也会帮助你。