diode

US /ˈdaɪ.oʊd/
UK /ˈdaɪ.oʊd/
"diode" picture
1.

二极管

a semiconductor device with two terminals, typically allowing the flow of current in one direction only.

:
A diode is essential for converting AC to DC.
二极管对于将交流电转换为直流电至关重要。
LEDs are a type of light-emitting diode.
LED 是一种发光二极管