Rf
射频, 测距计, 测远仪\\n[计] 射频
🗣️ 情景例句
that we can talk about us.
我们就可以谈谈我们。
Don't make a noice.
不要吵。
what would civilization be like without its benefits?
如果不受其惠，文明将会是个什么样子呢？