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1. Oxford Dictionary

   emission

   • IPA[ɪˈmɪʃn]

   英式

   • n.
     the production and discharge of something, especially gas or radiation；an ejaculation of semen

   • noun: emission, plural noun: emissions

2. • 釋義
   • 相關詞

   n.

   名詞

   • 1. the production and discharge of something, especially gas or radiation the effects of lead emission on health cuts in carbon dioxide emissions
   • ▪ an ejaculation of semen nocturnal emissions

   emission nebula

   • n.
     a nebula that shines with its own light.

   Oxford Dictionary

   field emission

   • n.
     the emission of electrons from the surface of a conductor under the influence of a strong ...

   Oxford Dictionary

   nocturnal emission

   • n.
     an involuntary ejaculation of semen during sleep.

   Oxford American Dictionary

   field emission

   • n.
     the emission of electrons from the surface of a conductor under the influence of a strong ...

   Oxford American Dictionary

   thermionic emission

   • n.
     the emission of electrons from a heated source.

   Oxford Dictionary

   zero-emission

   • adj.
     denoting a road vehicle that emits no pollutants from its exhaust.

   Oxford American Dictionary

   emission spectrum

   • n.
     a spectrum of the electromagnetic radiation emitted by a source.

   Oxford Dictionary

   nocturnal emission

   • n.
     an involuntary ejaculation of semen during sleep.

   Oxford Dictionary

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3. • 更多解釋

   emission

   • IPA[əˈmiSH(ə)n]

   美式

   • n.
     the production and discharge of something, especially gas or radiation: the effects of lead emission on health cuts in carbon dioxide emissions

   Oxford American Dictionary