extinction

美[ɪk'stɪŋkʃn] 英[ɪk'stɪŋkʃn]

n. 消失；消减；废止

近义词：death，destruction，extermination，loss，annihilation，disappearance，elimination，extinguishing，defunctness，experimentalextinction，quenching，

n.(名词)

Noun

no longer active; extinguished;
"the extinction of the volcano"
no longer in existence;
"the extinction of a species"
the reduction of the intensity of radiation as a consequence of absorption and radiation
complete annihilation;
"they think a meteor cause the extinction of the dinosaurs"
a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
the act of extinguishing; causing to stop burning;
"the extinction of the lights"

用作名词(n.)

Its extinction is just a question of time.它的消失只是一个时间问题。
The World Dinosaur Valley brings back from extinction the most mammoth creatures our planet has ever known.恐龙世界将呈现出世界上最多的已然消失的猛犸。

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