Polydichlorostyrene
聚二氯苯乙烯
🗣️ 情景例句
Is that all right with everyone?
各位有意见吗？
The concert will be held September 14 at 10 a.m.
该演奏会预定于9月14日10时举行。
I'm happy to meet you.
很高兴见到你。