But the traditional way of tracking animals is pretty ridiculous, because it requires the researcher to be walking on the ground carrying a huge and cumbersome radio antenna, not unlike those old TV antennae we used to have on our rooftops. Some of us still do.
但是传统的跟踪方法， 非常地不合理， 因为它要求研究者携带巨大的， 笨重的无线电接收装置行走， 有点类似我们以前老式电视上的 装在楼顶的天线。一些人现在还是用这样的电视。