🗣️ 情景例句
I'm pretty independent.
我是独立性很强的人。
The air conditioner is out of order.
这空调坏了。
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)