There was no point telling stories because there was no one to listen, except the wind and the waves. But then the boy saw something in the water ahead of him.
这一路上，他一点讲故事的兴致也没有，因为一个人也没有，除了风声就是海浪。
Indeed, that is how a radio antenna works, except that the weak current generated by the radio waves has to be amplified to do its job of carrying a signal round a radio.
而收音机的天线就是这样工作的，只不过电波所产生的电流非常弱，需要进一步放大从而完成信号传输。
Except for the very longest waves most waves move through the deep ocean without experiencing any effects of the bottom.
除了最长的波，大部分在深海中传播时并不受到海底的任何影响。
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