Rf
射频, 测距计, 测远仪\\n[计] 射频
🗣️ 情景例句
I'd like to cash this check.
我想兑现这张支票。
First come, first served.
先来先卖。
It's a pleasant dream but everything depends on 'if'!
这是个美好的梦，但一切都取决于“如果”！