zhè / tái / lǎoshì / shōuyīnjī / lǐ / de / jīng tǐ èr jí guǎn / yǐjīng / sǔnhuài / xūyào / gēnghuàn

这台老式收音机里的晶体二极管已经损坏，需要更换。

The crystal diode in this old-fashioned radio has been damaged and needs to be replaced.