威廉出生在非洲一个叫马拉维的国家,可能很多人对这个国家不熟悉,这里贫穷、落后,有时候饥荒、瘟疫肆虐。威廉是一个农民的儿子,住在一个普通的村子里。家里没有电视,更没有电脑,威廉唯一的娱乐方式,是听家里的一台旧收音机。每天,他趴在收音机旁,静静地盯着这个神奇的东西,一脸凝重地想:声音到底是怎么发出来的?有一天,威廉竟然把家里的这台收音机给拆了,原来他想知道它的构造。本来家里的收音机是有噪 William was born in Africa, a country called Malawi, many people may not be familiar with the country, where poverty, backwardness, sometimes famine, plague raging. William is a farmer’s son and lives in an ordinary village. There is no television at home, and no computer. William’s only way to entertain is listening to an old radio in the house. Every day, he was lying on the radio, quietly staring at this magical thing, a look of solemn thought: how the sound is sent out? One day, William actually put this radio at home demolished, so he thought Know its structure. The radio in my home was noisy