Rf
射频, 测距计, 测远仪\\n[计] 射频
🗣️ 情景例句
OK. I will try her back then.
好的，我到时再试试看。
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
This case doesn't belong to me!You've given me the wrong case!
这箱子不是我的！您给错了！