Fd50
[医] 半数致死量
🗣️ 情景例句
I brought you a chicken sandwich and a glass of milk.
我替你带来一份 肉三明治和一杯牛奶。
Love should not be all on one side.
爱情不应是单方面的。
Perhaps it will suffice to mention the nuclear bomb.
也许提一下核弹就足以说明了。