Acoustical vibration
[机] 声音振动
🧩 词语组成解析
a. 听觉的, 声学的
🗣️ 情景例句
A guarantor is responsible for the loan
担保人要对贷款负责
I've got to be going now, Good-bye.
我得走了，再见。
Thanks very much. I must go!
谢谢，我必须走了。