Monobromination
一溴化
🗣️ 情景例句
All packed and ready.
都打包好了。
Messengers should neither be headed nor hanged.
两国相争，不斩来使。
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。