electronic是形容词，作为名词时，需要加后缀s，即electronics。electronics的意思是：电子学、电子器件。electronic作为形容词时的意思是：电子的、电子学的。
electronics的用例
1、I am very interested in electronics.
我对电子学很感兴趣。
2、My son has been doing electronics at Princeton.
3、A few years ago, it would have needed a shoe-box of electronics to drive it, and it would still have been hit-or-miss.
几年前，它还需要鞋盒那么大的电子器件来驱动，而且还经常搞错。
