4周搞定2000+托福核心词
exhilarating = ex(做…) + hilar(高兴) + ate(做，使) + ing(形容词) = 令人高兴的
experience = ex(做…) + peri(尝试) + ence(性质) = 经验
instinct = in(向内) + stinct(刺) = 内在的刺激→本能
distinct = di(分开) + stinct(刺) = 把刺分开→明显的
abrasion = ab(表加强) + ras(刮擦) + ion(表名词) = 磨损
abstraction = abs(离去) + tract(拉) + ion(表名词) = 被拉开→抽象
做出刺激的举动→消灭；灭绝
extinction
常考释义
The mass extinction would have occurred very suddenly under this hypothesis.
按照这种假说，大规模物种灭绝就会突然间发生。
来源于：阅读OFFICIAL15 P2n. 灭绝【生】
Many species have been shot to the verge of extinction.
许多物种遭到射猎而濒临灭绝。
Tigers could face extinction within ten years.
十年之内老虎可能面临灭绝。
We need you, the human race faces extinction.
我们需要你，人类濒于灭绝。
来自《生化危机5：惩罚》
图片源自网络
The mass extinction would have occurred very suddenly under this hypothesis.
按照这种假说，大规模物种灭绝就会突然间发生。
来源于：阅读OFFICIAL15 P2The late Cretaceous extinction of the dinosaurs and ammonoids was just one of the more drastic in a whole series of such recurrent extinction episodes.
白垩纪时期后期的恐龙和菊石（的灭绝是一系列此类周期性物种灭绝中更为剧烈的一次。
来源于：阅读OFFICIAL15 P2Evidence points to hunting by humans and habitat destruction as the likely causes for the current mass extinction.
但有证据指出，人类狩猎以及人类破坏栖息地很可能是当前大规模物种灭绝的原因。
来源于：阅读OFFICIAL15 P2Many scientists have therefore concluded that a sixth great mass extinction is currently in progress.
因此许多科学家推断：当前，第六次大规模物种处于灭绝状态。
来源于：阅读OFFICIAL15 P2The rates of extinction happening today are as great as the rates during these mass extinctions.
如今物种灭绝的比率和之前五次大规模物种灭绝时期一样高。
来源于：阅读OFFICIAL15 P2There was another, even larger, mass extinction at the end of the Permian period (around 250 million years ago).
而在二叠纪时期后期（大约两亿五千万年前）还发生过一次规模更大的物种灭绝。
来源于：阅读OFFICIAL15 P2One is to help prevent the extinction of some endangered megafauna by providing new refuges, new habitats for them.
一个是通过提供新的避难所和栖息地帮助防止濒临灭绝的巨型动物继续消亡。
来源于：听力OFFICIAL22 L5Well, today we are witnessing a sixth mass extinction, but unlike the others, the current loss of bio-diversity can be traced to human to human activity.
那么今天我们正在目睹着第六次大量消亡，和前几次不一样，这次生物多样性的消失是由人类活动导致的。
来源于：听力OFFICIAL22 L5A mass extinction as when numerous species become extinct over a very short time period.
大量消亡是指大规模的物种在短期内灭绝的现象。
来源于：听力OFFICIAL22 L5If you think about it though, the core problem with this sixth mass extinction is human interference.
如果你仔细的想一下，其实第六次大量消亡的核心问题是人类的干预。
来源于：听力OFFICIAL22 L5One thing he found was that humans didn't necessarily have to kill these animals in great numbers in order to nudge them toward extinction.
他发现了一点，人们并不需要猎杀大量的这种生物就能将这种生物推向灭绝。
来源于：听力OFFICIAL24 L5You know, global cooling followed by global warming, and there was no extinction then.
要知道，全球变冷接着又全球变暖，但是之前却没有发生灭绝。
来源于：听力OFFICIAL24 L5One theory is that they were hunted to extinction by humans.
一种理论是说他们被人类猎杀以至于灭绝了。
来源于：听力OFFICIAL24 L5However, if safe areas like those prey animals have in the wild are provided, the prey population drops to low level but not extinction.
但是，如果能给被捕食动物提供如同在野外的安全的区域，被捕食动物的数量会降低到很低的数值，但不会灭绝。
来源于：阅读OFFICIAL27 P3It is one of the factors controlling the size of competing populations, and extreme cases it may lead to the extinction of one of the competing species.
它是控制有竞争关系的种群数量的一个因素，而其极端情况可能导致竞争的一方灭绝。
来源于：阅读OFFICIAL29 P2Both the rate of invasion and the rate of extinction vary greatly among different plant species.
在不同的植物种类中，入侵率和灭绝率有很大的差别。
来源于：阅读OFFICIAL32 P1n. 消灭；破灭；消亡
The loggers say their jobs are faced with extinction because of declining timber sales.
伐木工人们说由于木材销售额的下降，他们的工作恐不复存在。
n. 消光【物,天文】
n. 消退【心】
n. 熄灭；扑灭<正式>
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