Prr
n. pulse-repetition rate的简写
🗣️ 情景例句
I really have to rush.
我真的得赶快走了。
I guess so.
这样也好。
After taking off, we were flying low over the city and slowly gaining height,
起飞之后，我们在城市上空低低地飞行，然后慢慢爬高。