Polyolefin
n. [化]聚烯烃
🗣️ 情景例句
I understand your feelings about it, Richard.
我了解你对这种事的心情， Richard。
I've forgotten what time he said he had dinner last night.
我忘记了他昨晚什么时间吃晚饭的了。
I smoked with concentration and pleasure as I was sure that this would be my last cigarette.
我聚精会神而又愉快地吸着这枝烟。因为我确信这是我最后一枝烟了。