Gasdynamics
[复]n.[用作单] [物]气体动力学
🔁 扩展释义
【化】 气体动力学
🗣️ 情景例句
I took a month off for a holiday.
我休了一个月假。
What for?
何必呢？
What was wrong with Jim ? Did he hurt himself?
吉姆怎么啦？他伤着自己啦？