Dienol
二烯醇
🗣️ 情景例句
The new students seem to be shaping up quite nicely.
新生们看来表现得相当不错。
Where can I wash my hands?
请问洗手间在哪里？
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）。