Polyenic
a. 多烯的
🗣️ 情景例句
How do you spell it?
如何拼写？
I'll probably stay home and watch TV.
我可能会呆在家看电视。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。