extinction
美[ɪkˈstɪŋkʃən] 网络消光；灭绝；绝灭；熄灭
1 . 30 percent of reptiles, birds, and fish are currently threatened with extinction .
目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。
来自柯林斯例句
2 . The centuries-old ritual seems headed for extinction .
延续了几个世纪的仪式似乎要面临消亡。
来自柯林斯例句
3 . The island's way of life is doomed to extinction .
这个岛上的生活方式注定要消失.
来自《简明英汉词典》
4 . The animals were ruthlessly hunted to the verge of extinction .
这些动物由于遭到无情的捕猎而濒于灭绝.
来自《现代汉英综合大词典》
5 . The plant is now in danger of extinction .
这种植物现在有绝种的危险.
来自《简明英汉词典》
1.no longer in existence;
the extinction of a species
2.no longer active; extinguished;
the extinction of the volcano
3.the reduction of the intensity of radiation as a consequence of absorption and radiation
4.complete annihilation;
they think a meteor cause the extinction of the dinosaurs
5.a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus
6.the act of extinguishing; causing to stop burning;
the extinction of the lights