✅ 同义词
🗣️ 情景例句
Will you let me be your friend, Michelle?
愿意让我成为你的朋友吗 ，Michelle？
That's your book.
那是你的书。
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）