Chlorosulfonation
氯磺化(作用)
🗣️ 情景例句
You hold on to them so there won't be a problem later.
你来保管， 免得等一下又出问题了。
Good watch prevents misfortune.
有备无患。
Even a child can answer this question.
即使小孩儿都能回答这个问题。