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1·The mountain gorilla is on the verge of extinction.

居住在山区的大猩猩已濒临灭绝。《牛津词典》

2·They have driven the rhino to the edge of extinction.

他们已经把犀牛逼到了灭绝的边缘。《柯林斯英汉双解大词典》

3·In the 19th century, inbreeding nearly led to the extinction of the royal family.

19世纪，近亲婚配几乎导致了皇室宗族的灭绝。《柯林斯英汉双解大词典》

4·The loggers say their jobs are faced with extinction because of declining timber sales.

樵夫们说他们的工作因不断下降的木材销售而面临消亡。《柯林斯英汉双解大词典》

5·The wallet is heading for extinction.

钱包即将走向消亡。

6·Extinction is a difficult concept to grasp.

灭绝是一个很难理解的概念。

7·This period of extinction wasn't comprehensive.

这一时期的灭绝并不彻底。

8·What could cause such high rates of extinction?

是什么导致了如此高的物种灭绝率？

9·One consequence of global warming is extinction.

全球变暖的后果之一是物种灭绝。

10·One theory is that they were hunted to extinction by humans.

一种理论是，它们是由于人类的猎杀而灭绝的。

灭绝

1·The mountain gorilla is on the verge of extinction.

居住在山区的大猩猩已濒临灭绝。《牛津词典》

2·They have driven the rhino to the edge of extinction.

他们已经把犀牛逼到了灭绝的边缘。《柯林斯英汉双解大词典》

3·In the 19th century, inbreeding nearly led to the extinction of the royal family.

19世纪，近亲婚配几乎导致了皇室宗族的灭绝。《柯林斯英汉双解大词典》

4·This period of extinction wasn't comprehensive.

这一时期的灭绝并不彻底。

5·One theory is that they were hunted to extinction by humans.

一种理论是，它们是由于人类的猎杀而灭绝的。

消光

1·The errors caused by prism extinction ratio variation are investigated.

研究了棱镜消光比变化引起的误差。

2·A novel optic bridge compensation technique using a polarization splitting prism is introduced, and the errors caused by the changes of prism's extinction ratio are studied.

介绍了一种使用偏振分光棱镜的新型光桥式补偿技术，并对因棱镜消光比变化导致的误差进行了研究。

3·The results also show that the performance of this communication system can be affected by background optical, APD gain and modulation extinction ratio.

该通信系统还受背景光、雪崩光电二极管（APD）增益和调制消光比等因素的影响。

4·The structure amplitudes of Fe_3C are calculated by using the program FE3C8500, then the condition of structure extinction is introduced in this paper.

本文用FE3C 8500程序计算了渗碳体的结构振幅，据此，说明了渗碳体的结构消光条件。

5·The molecular extinction coefficient is equal to the ratio of the log of the intensity of the incident and emergent light .

分子的消光系数等于入射光和透射光强度对数的比。

消失

1·Following its recommendations, almost all rich countries adopted a definition of death based on the extinction of activity in the brain, rather than in the heart or any other organ.

根据它的建议，几乎所有的富裕国家都接受了将死亡定义为大脑活动的消失，而非心脏或者其他器官活动的停止。

2·With rainforests being clear-cut in tropical countries, endangered species nearing extinction around the world, and the seas steadily being fished out, the ministers agreed it was time to take action.

随着热带雨林的大量砍伐，濒危物种在全球范围内正频临灭绝，海洋捕捞也使得海洋物种持续消失。

3·Native Australian Charlie Mungulda is the only person alive known to speak that language, one of thousands around the world on the brink of extinction.

因为澳大利亚土著居民查理•穆尼古尔答是世界上唯一会说这种语言的人。 包括Amurdag语在内的全世界几千种语言正濒临消失。

4·You live with the threat, you tell me you live with the threat of my extinction.

你和威胁生活在一起，你告诉我你和我的消失这个威胁住在一起。

5·An increase in responses or performances that is brought about by the withdrawal of reinforcement. Extinction bursts occur just prior to the extinction of the behaviour.

当一个行为不再被强化，该行为在下降之前暂时增加频率，持续时间、或强度的现象。奇怪的行为或情感反应在消失爆发时也可能出现。

消灭

1·But the Mahayana tradition separated them and considered that nirvana referred only to the extinction of craving (passion and hatred), with the resultant escape from the cycle of rebirth.

大乘佛教的传统把他们分开了，并认为涅槃只提到了消灭贪婪(狂热和嗔恨)，并从轮回之中解脱出来的结果。

2·The right of formation is the rights that the obligee, based on his or her unilateral declaration of will, can lead to the establishment, the change and extinction of legal relationship.

所谓形成权，即指权利人凭借其单方意思表示就能导致法律关系发生、变更或消灭的那些权利。

3·From the view of combination theory and practice, the thesis probes deep into the essentials of establishment, ways of exercising, effect and extinction of right of plea for preference claim.

从理论与实践相结合的角度，对先诉抗辩权的成立要件、行使方式与效果、先诉抗辩权的消灭等问题进行探讨，在此基础上，对我国现行立法存在的不足进行了剖析，并提出了完善相关立法的具体建议。

4·Article 24 Before registration, the creation, alteration, transfer or extinction of the property right of the vessels, aircraft, motor vehicles, etc. shall not be used against a bona fide third party.

第二十四条船舶、航空器和机动车等物权的设立、变更、转让和消灭，未经登记，不得对抗善意第三人。

5·Article 185 the law of the State in which the nationality of a civil aircraft is registered shall be applicable to the acquisition, transference and extinction of the ownership of the civil aircraft.

第一百八十五条民用航空器所有权的取得、转让和消灭，适用民用航空器国籍登记国法律。

(1)extinction ratio消光比；消减比率

(1)extinction coefficient消光系数

(1)mass extinction大量消亡

(1)fire extinction灭火

(1)arc extinction消弧，灭弧

(1)light extinction消光；消光法