This transistor is no longer sold on the market.

这种晶体管已不在市场上出售了。

Transistors can be used in a variety of digital and analog devices.

晶体管可用于各种各样的数字和模拟装置中。

We have to be extra careful when placing transistors.

在放置晶体管的时候，我们要格外小心谨慎。

Inside the phone, there are nearly 100 million transistors. 

手机内部 有近一亿个晶体管 

This transistor radio has four small cells.

这台半导体收音机用4节小电池。

Every transistor has at least three electrodes.

每个晶体管至少有三个电极。

This make of transistor radio is small and beautifully designed.

这半导体收音机小巧玲珑。

He devised a new type of transistor.

他发明了一种新的晶体管。

Yes, that's right. The transistor.

是的，没错就是晶体管。