Pnpndiode
[电] PNPN(四层)二极管
🗣️ 情景例句
Does the name Harvey Carlson ring a bell?
对Harvey Carlson这个名字有印象吗？
For me, studying in another country is very exciting.
对我来说，到国外留学是一件刺激而又有趣的事。
It was necessary to recognize that these institutions which are based on the same premises,
必须认识到，这些建立在相同前提基础上的风俗，