extinction是什么意思？

extinction

英[ɪkˈstɪŋkʃn] 美[ɪkˈstɪŋkʃən]

• n. 熄灭，消灭，灭绝，废除，[物]消光，自屏，衰减；

例句

• Some animals are on the verge of extinction. 有些动物已濒临绝种。
• The island’s way of life is doomed to extinction. 这个岛上的生活方式注定要消失。
• The plant is now in danger of extinction. 这种植物现在有绝种的危险。
• the mass extinction of the dinosaurs 恐龙的大规模灭绝
• Polar bears, desert gazelles and sharks were all added to the list of species facing extinction. 北极熊 、 漠瞪羚和鲨鱼都已经被列入濒临灭绝的物种.
• Based on the principle of full flow extinction, this paper excogitated a pocketable opacity smoke meter. 基于全流消光原理, 本文研究开发了一种便携消光式烟度仪.
• We shall simply be resigning ourselves to extinction unless we carry on the four modernizations. 如果不搞四个现代化,我们就只有束手待毙.
• Theories about the extinction of dinosaurs are still highly conjectural. 关于恐龙灭绝的理论仍然是带有很强的猜测性的.
• 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.
• 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。

柯林斯高阶英汉双解学习词典释义

• N-UNCOUNT
  （物种的）灭绝
  The extinction of a species of animal or plant is the death of all its remaining living members.
  例句
  An operation is beginning to try to save a species of crocodile from extinction... 一项努力拯救一个鳄鱼物种、使其免于灭绝的行动已经开始。 Many species have been shot to the verge of extinction. 很多物种已经被猎杀到灭绝的边缘。
• N-UNCOUNT
  消亡;消灭;不复存在
  If someone refers to the extinction of a way of life or type of activity, they mean that the way of life or activity stops existing.
  例句
  The loggers say their jobs are faced with extinction because of declining timber sales. 伐木工人说由于木材销量下降，他们的工作恐不复存在。

英汉词典释义

• n.
  （植物、动物、生活方式等的）灭绝,绝种,熄灭,消灭,废除
  the mass extinction of the dinosaurs 恐龙的大规模灭绝 The plant is now in danger of extinction. 这种植物现在有绝种的危险。 The island’s way of life is doomed to extinction. 这个岛上的生活方式注定要消失。

英英词典释义

• Noun
  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 no longer active; extinguished;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"

行业词典

• 体育： 消灭；消退；
  动物学： 灭绝；
  化工： 熄灭；
  医学： 消退：在心理学中，指条件反应因未强化而消失；亦指趋于消失的过程；
  地质学： 消光；
  天文学： 消光；天体辐射受到中介宇宙尘和地球大气的吸收与散射而造成的强度的减弱和颜色的变化。；
  昆虫学： 绝灭；絕滅；
  物理学： 消光；
  生态学： 灭绝；当一个物种的最后一个个体死亡后，称该物种灭绝。；
  生物学： 绝灭；
  电子学： 熄火；
  航天： 消光；
  遗传学： 灭绝；又称“绝灭”。一种特定的生物或一群发生全球性的死亡和消失的现象。；