M. h. d.
[医] 最小溶血量
🧩 词语组成解析
[医] 普朗克氏量子常数
🗣️ 情景例句
Good luck! And stop worrying!
祝你好运， 别再担心！
It's been a bad day.
今天糟透了。
There had been fuel on the ship, but this did not appear to have caused the fire, and little smoke was produced.
很显然，船舱里已经发生了一场烈火，但是船舱内壁却完好无损。船上存放着汽油，但火灾似乎不是它引起的，因为没有冒出什么烟来。