emitter

/ɪˈmɪt.ər/ (bre, ipa) · /ɪˈmɪt̬.ɚ/ (ame, ipa) · /-itə(r), -itə-/ (ame, mw)

emitter — 名詞

  • emittersingular
  • emittersplural

1. a person, machine, or thing that gives off light, sound, gas, heat, or another s

1.名詞B2
釋義

發射源

發出光、聲音或物質的來源

a person, machine, or thing that gives off light, sound, gas, heat, or another substance, especially one that releases a lot of carbon dioxide

例句

The old bus is still a heavy emitter of black smoke.

那輛老公車仍是黑煙的嚴重發射源。

emitter of + pollutant

After the test, Iris marked the weak emitter with red tape.

測試後，Iris 用紅膠帶標出那個較弱的發射器。

technical use for a component or device

同義詞
  • source

    broader and more common in everyday English

  • producer

    often used when something is made or created, not simply sent out

  • polluter

    narrower and negative, mainly for harmful environmental emissions

文法句型

an emitter

emitter of + substance

major emitter

用法筆記

Often used in technical, scientific, or environmental contexts for machines, systems, companies, or vehicles that give something off. In everyday conversation, people may choose a simpler word such as 'source' unless the context is about measurement or pollution.