Ferroselenium
硒铁
🗣️ 情景例句
If you want to make the intelligent choice, Trust me on this.
如果你想作出明知的抉择，那就相信我吧。
This year I'm in a co-ed dorm.
今年我住在男女生合住的宿舍。
I'm worried that something has happened to her.
我担心她出了什么意外。