Ferroselenium
硒铁
🗣️ 情景例句
I haven't had a minute to relax all day.
我今天连一分钟都没休息。
I want to reserve a seat from los angeles to tokyo.
我要预订一张从洛杉矶到东京的机票。
Oh? What happened?
哦？发生什么事了？