Radiospectrum
射频频谱
🗣️ 情景例句
What is your biggest accomplishment on the job?
你在工作上最大的成就是什么？
Just a few months.
才几个月。
The children were running to move the bag of rice when they heard the sound of a motorbike.
孩子们跑去搬那包大米，这时他们听到摩托车的声音。