Prf
n. pulse-repetition frequency的简 写
🗣️ 情景例句
They're all alike.
他们都是一个样子。
Let's get to the point.
让我们来谈要点。
We stopped in Moscow on the way, but only for an hour or two, so there was no time to go into the centre of the city.
我们在莫斯科停了一下，但只停了一两个小时，所以没有时间去市中心玩。