Thoby
[人名] 索比
🗣️ 情景例句
He lives alone
他一个人生活
Who is speaking?
请问是谁打来的？
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）