Already well over 400 of the total of 6, 800 languages are close toextinction(消亡), with only a few elderly speakers left.
在总共6800多种语言中, 有超过400种语言濒临消亡, 这些语言只剩下极少数老人在使用。
2018全国卷1
1.（物种的）灭绝
Theextinction of a species of animal or plant is the death of all its remaining living members.
e.g. An operation is beginning to try to save a species of crocodile fromextinction...
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。
e.g. Many species have been shot to the verge ofextinction.
很多物种已经被猎杀到灭绝的边缘。
2.消亡;消灭;不复存在
If someone refers to theextinction of a way of life or type of activity, they mean that the way of life or activity stops existing.
e.g. The loggers say their jobs are faced withextinction 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。
1. extinction
1. 灭绝：近日,在福布斯评出的年度名人100榜中,揭示安吉丽...虽然游戏改编的真人电影<>在宣传期间,一度表示这将是系列最后一部电影,并且还以<>(Extinction)为副标题名.
2. 消光：当光波在媒质中传播时,由于光波和物质的相互作用,一般呈现两种效应,一种是速度减慢引起的折射和双折射现象;另一种是光能减弱的消光 (extinction)现象.
3. 消失：处罚(Punishment)行为之产生伴随著一导致未来该行为出现率降低之后果.消失(Extinction)先前作为增强之条件无法再持续其增强作用,
4. 绝灭：在进化型式中,绝灭(extinction)表现为线系的终止,即物种的死亡. 绝灭在进化过程中是一种正常的现象,它影响着进化的速率和进化的趋向. 通常,地史上的大绝灭往往伴随着大的适应辐射,表现为物种及其以上分类单元的替代及替代的规模.
水可以灭火。
One day, a building was on fire. A fireman risked his life dashing to the top floor in order to quench the fire. He found a man sleep soundly in a corner.有一次，一座大楼失火，一个消防员奋不顾身到顶楼救火，看到墙角躺个大胖子呼呼大睡。
The mighty man will become tinder and his work a spark; both will burn together, with no one to quench the fire.有权势的必如麻瓤，他的工作，好像火星，都要一同焚毁，无人扑灭。
Already well over 400 of the total of 6, 800 languages are close toextinction(消亡), with only a few elderly speakers left.
在总共6800多种语言中, 有超过400种语言濒临消亡, 这些语言只剩下极少数老人在使用。
2018全国卷1
