Kitasamycin
北里霉素
🗣️ 情景例句
But first you have to smile.
但首先你得笑一笑。
Fire, water, and money are good servants, but bad masters.
水火金钱是忠仆，使用不当是祸首。
The farmer cut off part of his foot to make sure he could not run away again.
农场主把他的一只脚砍掉了一块，以确保他不能再逃跑。