Neocapnodium
新煤炱属
🗣️ 情景例句
What's that?
什么问题？
By doing nothing we learn to do ill.
懒散学为非。
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。