Polyolefin
n. [化]聚烯烃
🗣️ 情景例句
You're going to have the time of your lives.
你们将会玩得非常痛快。
Excuse me, what time will the plane arrive in Tokyo?
对不起，请问飞机何时到达东京呢？
I'll have the office send you a map.
我会叫公司里的人送张地图给你。