Polydiolefin
聚二烯烃
🗣️ 情景例句
Who's your favorite celebrith?
你最崇拜的名人是谁？
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。
No, we didn't fix anything.
不，我们没有决定任何事情。