Jourdanton
[地名] [美国] 约丹顿
🗣️ 情景例句
My company was the contractor.
我的公司承包了这项工程。
Which one is more clever?
哪一个是较聪明的？
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）。