Polyiodization
多碘化反应
🗣️ 情景例句
What's bugging you?
你正烦什么？
She failed to call the office to cancel her appointment.
她没能打电话给办公室取消她的约会。
The man who, in old age, can see his life in this way,
上了年纪的人这样看待生命，