Opalon
[化] 氯乙烯树脂及其化合物的商品名
🗣️ 情景例句
OK, I guess.
我想还好吧。
Bye! Have a good day.
再见！请慢走！
Waves are the children of the struggle between ocean and atmosphere.
海浪是大海和空气相斗的产物。