extinction

音标发音

• 英式音标 [ɪkˈstɪŋkʃnɪk'stɪŋ(k)ʃ(ə)n; ek-]
• 美式音标 [ɪkˈstɪŋk.ʃən]
• 英式发音
• 美式发音

基本解释

• n. 灭绝；消失；消灭；废止

词根记忆

• 来自extinct(v.使熄灭)

同根派生

• adj性质的同根词

  extinct：灭绝的，绝种的；熄灭的。

• n性质的同根词

  extinguisher：灭火器；消灭者；熄灭者。

• vt性质的同根词

  extinct：使熄灭。

• extinction相关词

英汉例句

• 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。
• 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。
• 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.
• 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。
• 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。

• extinction更多例句

词组短语

短语

• extinction ratio 消光比；消减比率
• Starlight Extinction 星光灭绝;星光灭尽;穆;一克斯迪克兄
• mass extinction 大量消亡
• oblique extinction 斜消光
• wildlife extinction 野生动物灭绝;动物灭绝

• extinction更多词组

英英字典

剑桥英英字典

• a situation in which something no longer exists

柯林斯英英字典

• The extinction of a species of animal or plant is the death of all its remaining living members.
• 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.

• extinction剑桥字典
• extinction柯林斯字典

专业释义

电子、通信与自动控制技术

• 熄火

化学

• 消光

  Results of experiments have testified that smoke generated by some formulas has improved the effect of extinction in infrared waves.
  实验结果表明，该文设计的某些配方在中、远红外波段消光效果明显。

• 吸光度
• 吸收度

生物学

• 灭绝
• 绝灭

  By using the limit theory and extension method,this paper studies the persistence and the extinction of a two-dimensional predator-prey Lotka-Volterra model in finite time.
  利用极限理论与延拓方法,研究了捕食-被捕食二维Lotka-Volterra模型在有限时间内的持续生存与绝灭问题,即β持续生存与β绝灭问题。

• 绝种
• 消光
• 消失
• 绝迹
• 消光;熄灭
• 消灭;消退

物理学

• 消光

机械工程

• 消光

  The paper relates to the extinction properties of red phosphorus mixtures - combustion smoke in the infrared spectrum .
  本文研究赤磷混合物燃烧生成固液粒子混合烟雾的红外消光性能。

• 熄火

数学

• 灭绝

  In chapter 4, the effects of impulses on the persistence and extinction of predator-prey systems are studied thoroughly.
  第四章我们建立并系统地分析了脉冲效应对捕食系统持久性和灭绝性的影响。

• 绝灭

  By using the limit theory and extension method,this paper studies the persistence and the extinction of a two-dimensional predator-prey Lotka-Volterra model in finite time.
  利用极限理论与延拓方法,研究了捕食-被捕食二维Lotka-Volterra模型在有限时间内的持续生存与绝灭问题,即β持续生存与β绝灭问题。

  法学

• (权利等的)废除，取消；(债务等的)偿清

环境科学技术

• 灭绝

  Sandstorms is a kind of calamity weather interacted by both winds and sands, it’s formation is closely concerned with many factors,including the global greenhouse effects, forest decreased quickly,vegetation destroyed,species extinction and abnormal climate.
  沙尘暴是一种风与沙相互作用的灾害性天气,它的形成与地球温室效应、厄尔尼诺现象、森林锐减、植被破坏、物种灭绝、气候异常等因素有着不可分割的关系。

• 消亡

能源科学技术

• 熄火

  The low concentration and long switch-time will lead too much heat lost and extinction ultimately.
  浓度过低引起系统反应放热过少或者换向周期过长导致过多热量移出反应器都有可能发生“熄火”现象。

  心理学

• 消退

地球科学

• 消光
• 绝灭
• 灭绝

天文学

• 消光