Predeclared
[计] 预先说明的
🗣️ 情景例句
It is.
是的。
I won the most valuable prize!
我赢得了最高的奖赏！
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）