Polycyclotrimerization
多环三聚(作用)
🗣️ 情景例句
You don't mean to tell me that you and ...
你不会是告诉我们你和……
What do you call this in English?
这个用英语怎么说？
Beware of methylated alcohol, which is very poisonous,
要提防甲基化酒精，那是剧毒的，