Limbaugh
[人名] 林博
🗣️ 情景例句
I must prepare my lessons.
我必须准备工课。
The restaurant is upstairs.
那餐厅在楼上。
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）