Polyethene
n. 聚乙烯
🗣️ 情景例句
Mm, I'm in a hurry too.
哦，我也有点儿急事要办。
We use service centers at major stores. They ship goods back to our national service center for repairs.
我们采用大店服务中心，他们可把产品运送到我们的国内服务中心维修。
It is between two hills.
它们于两座小山之间。