Opalon
[化] 氯乙烯树脂及其化合物的商品名
🗣️ 情景例句
Just a moment, please.
请稍侯。
That won't happen, will it?
不会吧？
The hottest month is July. Autumn starts in August, and goes on to October.
最热的月份是7月。秋天开始于8月，持续到10月。