Prf
n. pulse-repetition frequency的简 写
🗣️ 情景例句
2, 3 , 1, 2, 3, pony, pony... 2 3 1 2 3
小马步 小马步 ……
Look over to the southeast and you can see the con stellation of Orion.
眺望东南方向，你就可以看到猎户星座。
Let go!
放手！