简单释义：

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adj. (动植物,语言)灭绝的；(习俗,工作等)消失的；指死火山

网络 熄灭的；绝种的；绝灭的

完整释义：

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adj.

1.(动植物,语言)灭绝的,绝种的,完全绝迹的
2.(习俗,工作等)消失的
3.指死火山

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例句：

1. fish thought to have been extinct since the Cretaceous Period but found in 1938 off the coast of Africa.
   被认为是白垩纪时期现以灭绝的鱼，直到1938年在远离非洲海岸发现。

2. If earth failed to ascend and the sun accomplished this task seeming to disappear, earth would be left to die or become extinct.
   如果地球提升失败，同时太阳又完成了这一收缩的任务看似就快要消失了，等待地球的将会死亡或灭绝。

3. Secondly, certain rare wild animals that are going to be extinct should be collected, fed and reproduced artificially.
   其次，有些濒临灭尽的珍稀野生动物该卖收捕、人工喂养并繁殖。

4. It is fairly common to see that a species or family has its own moment where it diversifies and later goes extinct.
   很清楚也很普通，我们看到每个品种或类别都有着品种多样化然后灭绝的时候。

5. Deeply upsetting It seems so much worse when you know this will likely be just one of many species to become extinct over the coming decade.
   当知道白鱀豚将可能只是在未来几十年内灭绝的一物种之一时，情况真的很糟糕，很令人伤感。

6. This new technology from Japanese camera maker Cannon allows visitors to see extinct creatures with special virtual reality glasses.
   这个来自日本照相机制造商佳能的新技术使得参观者可以通过特别的虚拟现实的眼镜去看绝迹的生物。

7. If this dolphin is now deemed to be extinct, scientists say it would be one of the few large aquatic mammals to be wiped out in 300 years.
   如果这种海豚真的如所说的那样业已灭绝，那它算是近三百年来，为数不多的，销声匿迹的大型水生哺乳动物之一。

8. Dr Manning said: "The potential for this technique to gently un-pick the chemistry of long extinct species is quite breathtaking. "
   Manning博士说：“这项技术对于分析已灭绝动物化学特性的潜力是十分巨大的。”