Polyolefin
n. [化]聚烯烃
🗣️ 情景例句
Window-shopping is some girls'favorite pastime.
逛街是许多女孩消磨时间的首选方式。
He is the wisest man who does not think himself so.
不自以为聪明的人是最聪明的人。
The body of one statue was found among remains dating from the fifteenth century B.C.
其中有一尊雕像，她的躯体是在公元前15世纪的历史文物中发现的，