Systatic
[医] 犯几种感觉的
🗣️ 情景例句
It has a full basement,
全地下室，
A man becomes learned by asking questions.
要长学问，就得多问；多问则业精。
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）。