Impendency
n. 迫切, 危急
🗣️ 情景例句
We'll find the owner.
我们会找到狗的主人的。
Congratulations on your success.
恭喜你成功。
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）。