Keehan
[人名] 基恩
🗣️ 情景例句
No admittance except on business.
非公莫入。
I wonder whether he's telling the truth.
我不知道他说的是不是实话。
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）