Fairfieldite
磷钙锰石
🗣️ 情景例句
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。
I doubt that I'll do anything tomorrow.
我不确定我明天将做什么事。
I beg your pardon.
请你原谅。