Orosomycin
山霉素
🗣️ 情景例句
Are the people friendly in China?
中国的人们友好吗？
The maintaining of one vice costs more than ten virtues.
保持一件坏事的代价超过十件好事。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。