Emm386
[计] DOS外部命令
🗣️ 情景例句
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
It says a storm may come next month.
天气预报说下个月会有一场暴风雨。
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）