Beryllocene
二茂铍
🗣️ 情景例句
and help a lot of other people.
且对其他很多人有益。
Don't throw out your dirty water before you get in fresh.
清水未打来，赃水莫倒掉。
Yes, I have. He's in Sydney, Australia.
有，我有。他在澳大利亚的悉尼。