Guanajuatite
[化] 硒铋矿
🗣️ 情景例句
I'm listening.
那就说吧。
What we can't get seems better than what we have.
人们得不到的好像比所拥有的要好。[九六全国高考]
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。