Radiocommunication
[电] 无线电通讯
🗣️ 情景例句
This could be your lucky day.
今天你要时来运转了。
The best (greatest) fish keep (swim near) the bottom.
好鱼游水底（指：有价值之物不能轻易得到）。
How long are you staying in Xi'an?
你要在西安呆多久？