无线电发报机

他们想法把广播设备改装成无线电发报机。

They tried to adapt the public address system into a radio transmitter .

去年8月，一只粗笨的铝制飞鸟掠过海王星北极，它什么也不用，只用无线电发报机通报它到达了这颗行星。

With nothing but a radio transmitter to herald its arrival , a gawky aluminum bird swooped over the north pole of the planet Neptune last august .

除此之外，他还利用了一部分旧的军用无线电发报机的一部分零件和一些木片。

Besides this , he used part of an old army wireless set , and some bits of wood .

通过一项历时两年的研究，我们对它们的了解又多了一些。研究者使用无线电发报机跟踪来自伊利诺斯州尚佩恩市和乌尔班纳市南部的猫咪。

We know more about those lives now , because a two-year-long study used radio-transmitters to track cats at the southern edge of the cities of Champaign and Urbana in Illinois .

在船上的无线电收发报机中听到大风警报

Hear a gale warning on / over a ship 's radio