Ibit
氧碘鞣酸铋
🗣️ 情景例句
Where?
在什么地方？
You have to be on time. Don't be late.
只准早到，不许迟到。
This is a bus stop. The people are waiting for a bus. They are stand in line.
这是一个公共汽车站。人们在等车。他们站成行。