Polycyclotrimerization
多环三聚(作用)
🗣️ 情景例句
We have a new artist.
我们找来了一位新的美工人员。
This kind of box is not suitable for the transport of the tea sets by sea.
这种箱子不适合装茶具海运。
Certainly!said her mother.
“当然可以！”她妈妈说。