emitter
UK/ɪ'mɪtə/US/i'mitә/
C2
释义
n.
Something that gives off energy or particles; the emitter terminal of a transistor
发射体，发射器；（晶体管的）发射极
词根拆分
词根派生emit使成为，置于
+
-er送，投，发
=emitter
emit + -er（做……的东西）="放出（能量）的东西"。用于光源、粒子源和晶体管的发射极。
例句
- 1.
An LED is a light emitter that uses very little power.
LED 是一种耗电极少的发光体。