Fd50
[医] 半数致死量
🗣️ 情景例句
I think that all Chinese word hard and cherish their famillies.
我认为所有的中国人都工作勤奋而且十分关心家人。
A staff is quickly found to beat a dog with.
欲加之罪，何患无辞。
Then he and Jane went horse-riding.
然后，他和简一起去骑马。