Polyene
n. 聚烯\\n[化] 多烯; 多烯烃
🗣️ 情景例句
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
How is your family?
你的家人怎么样？
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。