Monochlorination
一氯化作用
🗣️ 情景例句
It really was a wonderful ceremony.
那真是一个美好的（结婚）典礼。
I don't like it when the weather gets real cold.
当天气变得很寒冷时，我不喜欢。
He resolved to give up smoking.
他决心戒烟。