大家在查： chuBn mows A，E Charlson mirror promises 关键性所在萨拉·怀特康斯坦丁· 坐山观虎斗神志正常

已灭绝

网络extinct; Arctodus simus; David Suzuki

已灭绝

已灭绝

已灭绝

extinct

... Attributive clause：定语从句 2. extinct adj. （生物等）已灭绝，已绝种的 give one’ life to… 为……献身，把一生献给…… ...

Arctodus simus

水木-贴图-熊类体型对比 ... melanoleuca 黑白相间的 Arctodus simus （巨型北美短面熊），已灭绝 ailuropoda 猫熊属 ...

David Suzuki

...然中的物种有99.9999%曾经出现在世上而现在都已灭绝（David Suzuki），但，我不得不承认，我仍希望人类存活下去，即 …

1

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。”

2

The wing of Xenicibis (top ) compared with that of a typical ibis Eudocimus (middle ) and the extinct, flightless ibis Apteribis (bottom ).

始祖鸟的翅膀（顶部）与典型鹮类（中部）和已灭绝不飞行的鹮类（底部）样本对比。

6

The common ancestor of the glass wing is long extinct but the clade it belongs to is known as the clearwing clade .

玻璃翅的共同祖先已灭绝很长时间，但它所属的种类是目前已知的透翅蛾进化枝。

7

This exceptional find marks the first time scientists have found direct evidence of such a complex, extinct food chain .

这个特殊的发现标志了科学家们首次发现如此复杂且已灭绝的食物链的直接证据。

8

It is as if our understanding of all arachnids were based on clues left by a single species of extinct spider .

这就好像我们对蛛形纲的了解，全是从一种已灭绝的蜘蛛得来的。

9

A Paleozoic microfossil usually having a toothlike shape and considered to BE the remains of an extinct marine organism.

牙形刺一种古生代微化石，一般有牙状形体，被认为是一种已灭绝海生生物体的残骸

11

The extinct trees of the genus Lepidodendron were once distributed widely and contributed largely to the coal seams of the Carboniferous .

已灭绝的鳞木属植物曾经分布广泛，它是石炭纪煤层的重要组成部分。

12

any of numerous extinct elephants widely distributed in the Pleistocene ; extremely large with hairy coats and long up curved tusks .

更新世时期众多的广布广泛的象，已灭绝；体型庞大、体表多毛、象牙长而向上弯曲。

14

Students in this major study the languages , both extinct and modern, of the Celtic peoples of Britain, Europe, and Asia .

塞尔特语专业研究英国，欧洲和亚洲的塞尔特人的语言，包括现存的和已灭绝的。

16

The researchers also made what they say are the first sequences of nuclear DNA from the extinct American mastodon .

据研究者说，他们还首次完成了已灭绝的美洲乳齿象细胞核 DNA 序列的测定。

17

The fossil record showed evidence of life forms that no longer existed .

化石记录向人们出示了已灭绝物种存在过的证据。

19

Near the end of Devonian times, thirty percent of all animal life vanished.

临近泥盆纪末时，地球上所有动物种类中的百分之三十都已灭绝。

20

If you want a list of Ron Artest' enemies , just check the extinct species list.

如果你要阿泰敌人的列表，那就去查已灭绝物种列表。

21

The breakage frequencies in the extinct species were strikingly higher than those in the present-day species .

这些已灭绝物种的牙齿破损发生率要明显高于现存物种。

22

By comparing photos of rotting fish to fossils , researchers can guess what the extinct creature looked like.

通过比较腐鱼与化石的照片，研究人员能猜测出已灭绝物种的形状。

23

taxonomic kingdom comprising all living or extinct plants .

包含所有现存或已灭绝植物的分类。

24

constituted by the extinct solitaire.

由已灭绝的单一种构成。

25

Extinct human of Upper Paleolithic in Europe .

已灭绝的人种，生活在旧石器时代早期的欧洲。

26

The pochards were believed to be extinct in the late 1990s .

红头潜鸭在二十世纪九十年代末被认为已灭绝。

27

By 35 , 000 years ago , the Neanderthals, a sub-species of humans whose own origins were in Africa, were mostly extinct .

作为人类的一个分支，起源于非洲的尼安德特人到 3万5千年前大多已灭绝。

28

extinct thick-haired species of arctic regions .

已灭绝的毛发浓密的北极地区品种。

29

It is estimated that over 99 percent of all species that ever existed have become extinct.

据估计，在过去存在的物种中有超过 99%都已灭绝。

30

Lastly , they can also be places and objects as created in their original form , even if they are now extinct .

最后，他们能是象依照他们原始形相创造的地方和实物既使他们现在已灭绝。

热词推荐

大家在看