Error facti
[法] 事实上的错误
🧩 词语组成解析
🗣️ 情景例句
I would like a manicure, please.
我想修理一下我的指甲。
He who does not advance falls backward.
不进则退。
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）。