Vacuum cavity
[医] 真空腔
🧩 词语组成解析
🗣️ 情景例句
When you have nothing to do, time goes slowly.
你没事做时，时间便过得很慢。
Poison is poison though it comes in a golden cup.
纵然装入金杯，毒药还是毒药。
I have the right to know.
我有权知道。