Prf
n. pulse-repetition frequency的简 写
🗣️ 情景例句
Besides, reasonable quantities of marketing literature are supplied free of charge.
此外，我们还免费提供一定数量的营销资料。
What's your friend's name?
你的朋友叫什么名字？
said Jim. Somebody or something took it. We won't go until we get it back again!
吉姆说，“什么人或者什么东西把它拿走了。不把它找回来我们就不走！”