Polyolefin
n. [化]聚烯烃
🗣️ 情景例句
Great. What's happening with you these days?
非常好。你最近几天怎么样？
The prerequisite for Chinese Lit is Freshman Lit and Comp.
若要从事中国文学，必须在一年级修文学与作文。
I'm afraid that Jim will miss a lot of his lessons.
恐怕这么一来，吉姆要缺很多课了。