Polyolefin
n. [化]聚烯烃
🗣️ 情景例句
You have to appreciate the work that has gone into this piece of art.
你不得不佩服他为完成这件作品所倾注的心血。
You ain't seen nothing yet!
好戏还在后头呢！
We should save unnecessary expenses.
我们应节省不必要的开支。