Polyene
n. 聚烯\\n[化] 多烯; 多烯烃
🗣️ 情景例句
Have you ever been to Guangzhou?
你以前来过广州吗？
Do you know Mary?
你认识玛丽吗？
Paw prints were seen in a number of places and puma fur was found clinging to bushes.
在许多地方看见爪印，灌木丛中发现了粘在上面的美洲狮毛。