Vacuum cavity
[医] 真空腔
🧩 词语组成解析
🗣️ 情景例句
Jogging is a popular form of exercise.
慢跑是一种十分普及的体育活动。
There are three terms in a school year.
一学年有三个学期。
It is useless to argue with the mind in this condition.
在这种情况下，你和头脑争吵让它松手是无济于事的。