Radiospectrography
无线电频谱学
🗣️ 情景例句
so why don't we get right to work?
我们现在就开始工作， 好吗？
I want to get cigarettes.
我要买香烟。
They said that the march had been forbidden, but that wasn't true.
他们说游行向来是被禁止的，但这不是事实。