Phach
天鸽座α, 丈人一
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
Whoever.
无论邀请谁。
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）