Acoustical vibration
[机] 声音振动
🧩 词语组成解析
a. 听觉的, 声学的
🗣️ 情景例句
and I think he believes
而我认为他相信
How long did the movie last?
电影放了多久了？
It's a waste of time reading that book. It's rubbish.
看那本书真是浪费时间。那简直是垃圾。