Polyolefin
n. [化]聚烯烃
🗣️ 情景例句
He never married.
他没有结过婚。
No. It only goes as far as Main Street, but you can get the Number 31 there.
不去，最远只到正街。不过你可以到那里再乘31路。
What did you say?
你说什么？