Opalon
[化] 氯乙烯树脂及其化合物的商品名
🗣️ 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
Congratulations on your success.
我恭喜你成功了。
You are coming along well.
你进展得很好。