Hypobromination
次溴酸化 (作用)
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
But I'll pay. Why not?
但是我付钱啊，不行吗？
What was wrong?
怎么啦？