Let's take the now extinct American cheetah, for instance.
让我们以现在已经灭绝的美洲猎豹为例。
For example, Peter Sheldon' s studies of trilobites, a now extinct marine animal with a segmented body, offer a detailed glimpse into three million years of evolution in one marine environment.
例如，彼得·谢尔登对于三叶虫的研究，那是一种已灭绝的身体分节的海洋生物，他的研究让我们得以一窥三百万年以来一个海洋环境的进化过程。
It is the whaling stations that are now extinct.
如今，绝迹的是捕鲸站；早已一去不复返的是捕海豹者。
North American migratory pigeon now extinct.
北美洲群居的迁移鸽子，现已灭绝。
Many animals that lived thousands of years ago are now extinct.
许多生活在数千年前的动物现已绝种。
Our zoos will most likely fill with animals that are now extinct.
我们的动物园将充满现已绝种的动物。
Some palaeontologists think them members of a phylum that is now extinct.
有的古生物学家认为它们属于已经绝迹的一门动物。
The ancient and now extinct language of pharaonic Egypt; written records date back to3000bc.
古代埃及法老的现在绝迹的语言；书面记录要追溯到公元前3000年。
Another protected animal now extinct in Finland is the European Mink which was hunted for its valuable fur.
在芬兰，其它被保护的绝种动物，包括欧洲貂，因它珍贵的貂皮而被扑杀。
The lake is now extinct, but our ancestors would have depended on the water and vegetation that grew around it.
湖泊现在灭绝了，但是我们的祖先可能曾经依赖于湖水和湖周围生长的植被。
Fossils suggest that some earlier groups of plants, now extinct, had evolved a dependency on insects like scorpionflies.
化石显示，某些现已灭绝了的更早期的植物，也进化到了依靠蝎蛉授粉的阶段。
However, these dogs weren't as good as the cats at this technique - and all the canid species who used it are now extinct.
然而，这些犬类动物并不像猫科动物那样擅长这项技能——所有曾使用这项技能的犬科动物现在都已经灭绝了。
Most of those embedded viruses are now extinct, but in 2005 French researchers applied for permission to resurrect one of them.
嵌入病毒的大多数已经灭绝，但2005年法国的研究人员申请许可去复活其中的一种。
Photo Gallery: Jurassic Period a dig in Dry Mesa, Colorado, revealed these Jurassic jewels: claws from a creature now extinct.
侏罗纪时代图片集。一个挖掘脚爪在干燥台地，科罗拉多州，揭示了这些侏罗系的宝石：脚爪从现在灭绝的动物。
A cousin of the American bison is the wisent of Europe. It is now extinct in the wild but about 400 live in the safety of zoos.
美洲野牛的一个近亲是欧洲的野牛。现在，欧洲野牛在野外已经绝迹，但仍有大约。
Although some of these animals were ancestors of kinds living today, others are now extinct, that is, they have no descendants alive now.
虽然这些动物中有一些是现今活着的各种动物的祖先，但是另一些动物现在已经灭绝了，即他们现在已经没有活着的后代了。
I borrowed it from Kreacher, "she explained as Ron raised his eyebrows." it lists the pure-blood families that are now extinct in the male line.
看到罗恩扬起了眉毛，她解释道：“那书里列的都是父系血统已经绝种的纯血统家族。”
Archeological finds in the Olduvai Gorge include stone tools, and skeletal remains of Homo Habilis and Homo Erectus, as well as bones of, now extinct, wild animals.
考古学家在奥杜瓦伊山谷发现了包括石器，能人和直立人骨架的遗骸，还有现已灭绝的野生动物遗骨在内的多个遗迹。
My poor friend Andrei Bumblowski, formerly Professor of Philosophy in a now extinct university of Central Europe, appeared to me to suffer from a harmless kind of lunacy.
我可怜的朋友安德烈．巴姆布朗斯基，一位伦敦中部一所现已废弃的大学的前教授，在我看来患上了一种无实质性损害的精神错乱。
The main thing to remember is, even in the last ten years since I collected them, they have become harder and harder to find, and many are now extinct, except for my digital record.
还有一点要提的是，虽然我过去十年来都一直在蒐集这些海报，他们却变得越来越难蒐集，有些甚至都已经消失，只能从我的资料库里面看到资料。
Scientists have previously believed that the lakes on Mars during that period were merely ice so the findings widen the period of time in which now extinct life forms could have existed on Mars.
科学家们曾经相信那个时代的火星湖泊中只有冰，所以这个发现拓宽了那个时代，可能一些现在已经灭绝的生物在那个时代生活在火星上。
The 3-D images are mainly the depiction of hunting scenes, red images of the now extinct wild cattle and stags, and eagles swooping down on abstract figures once carved out of the walls of Çatalhöyük.
三维影像主要描绘了狩猎场景，现已绝迹野生牛和雄鹿的红色图像，以及俯身下扑抽象动物的老鹰，这些都源自恰塔霍裕克的壁画。
Servants are now almost extinct in modern society.
在现代社会里奴仆已近乎不复存在。
But sadly, we are now on the verge of becoming an extinct - or at least threatened - species.
但是令人伤心的是，现在我们却站在了绝种，或者是濒临绝种，的边缘。
Until now many researchers have argued that it would be impossible to sequence the entire genome of an extinct creature because the samples are so degraded.
到目前为止，许多研究人员争论说对一种已经灭绝的物种进行全基因组测序是不可能的，因为那些标本退化严重。
Until now many researchers have argued that it would be impossible to sequence the entire genome of an extinct creature because the samples are so degraded.
到目前为止，许多研究人员争论说对一种已经灭绝的物种进行全基因组测序是不可能的，因为那些标本退化严重。
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