Armanite
胶体锰酸银
🗣️ 情景例句
It was my please.
荣幸之至。
I'm afraid there's nothing available before noon.
恐怕中午前是没法看了。
How can we find out who are using these computers?
我们怎么知道都有哪些人在使用我们的计算机呢？