Phosphowolframate
磷钨酸盐
🗣️ 情景例句
That is some history!
这阅历了不得，
I often go to bad at night.
我常常在晚上睡觉。
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。