Polyoxyethylation
聚氧乙烯化作用, 环氧乙烷加成作用
🗣️ 情景例句
Give my best to your parents.
替我向你父母问好。
You think this is funny?
你认为这个很有趣？
There was a big civil rights march through the centre of Birmingham yesterday.
昨天大规模的民权示威游行经过伯明翰市中心。