Retrofire
v. 点火发动\\nn. [语]卷舌(音质), (火箭)点火发动
🗣️ 情景例句
This is meant to happen.
这件事注定要发生。
Working without a plan is sailing without a compass.
工作没有打算，犹如航海没有罗盘。
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）