She is investigating the effects of changing acidity and temperature in the sea on a creature called the purple sea urchin.
她正在调查改变海水的酸性和温度对叫紫海胆的这一生物的影响。
Jesse is a creature of habit and always eats breakfast.
杰西是按习惯行事的人，每天都吃早餐。
The grizzly bear was also a creature of the prairie, feeding on buffalo carcasses and calves.
活跃在草原上的还有灰熊，它们以捕食野牛尸体和小牛犊为生。
British scientist Stephen Hawking is worried that any extraterrestrial life we find is likely to be a creature out of the movie Predator, not ET.
英国科学家斯蒂芬·霍金担心，我们发现的任何外星生命更可能是电影《铁血战士》而不是《ET外星人》里的生物。
Shubin distinguished himself by leading an expedition to the Arctic, which uncovered the remains of a fish with a wrist-a creature with part fin and limb.
舒宾的杰出成就是带领了一次北极探险。在这次探险中，他们发现了一种半鳍半肢的动物——一条有腕的鱼化石。
Should we not be moved when it produces a vision—a creature—of the purest sweetness?
当它向我们呈现一个最可爱的景象——一个动物时，我们不应该为之所动吗？
Whenever a creature gives food away, it is spending, just as we might spend money.
动物把食物奉献出来，就是种破费，就像我们花钱一样，颇有几分“财散人集”的味道。
An experienced fossil hunter, li split the slab and beheld a creature unlike any he had seen.
身为一位经验老到的化石猎手，李应方小心翼翼的敲开石板之后，便发现了一种以前他从未见过的生物骨骼化石。
Vampire squid is an apt name for a creature that lurks in the lightless depths of the ocean.
吸血鬼乌贼对于这种潜藏在暗无天日的深海的生物来说是个恰如其分的名字。
However, there once was a creature that actually resembled what Bigfoot is supposed to look like.
然而，实际上曾经有一种生物跟大脚怪长得很像。
A creature can become fitter by getting more complex. But it can also become fitter by getting simpler.
生物可以为了更加适应环境而变得复杂，但同时它也能为了适应而变得更简单。
She witnessed a creature, other than a human, in the act not just of using a tool but of making one.
她目击了除人类之外不仅会使用工具而且会制造工具的一种生物。
‘I was a bit frightened, as I've been raising sheep for 20 years and had never seen such a creature.’
当时我还有一些害怕，我养羊已经有二十多年了，从来都没有见过这样的羊羔。
Back then, the grizzly bear was also a creature of the prairie, feeding on buffalo carcasses and calves.
当时活跃在草原上的还有灰熊，它们以捕食野牛尸体和小牛犊为生。
"I never imagined in my life that I would be so close to such a creature," he says in a telephone interview.
“我做梦都不曾料到，在我有生之年还会有机会与这么珍稀的动物近距离接触，”他在接受电话采访时表示。
It would never make sense for a creature so large to fear a creature so small that causes it no physical threat.
说一个这么大的动物会害怕另一个对它构不成任何身体上的威胁的小动物，本来就是无稽之谈。
That's the greatest beauty I find in eels: the idea of a creature whose very life beginnings can remain hidden from humans.
这是我在鳗鱼身上发现的最伟大的美丽之处：能始终向人类隐瞒其生命起源秘密的一种生物的信念。
Cities may be the epitome of modernity, but they are inhabited by a creature designed for a pre-agricultural existence.
城市也许是现代性的典范，而它们的居民却是为农业化之前的时代所生的物种。
Consider the following case: traits t1 and t2 are endogenously linked in such a way that if a creature has one, it has both.
考虑以下情况：性状t1和t2有如下内在联系，一旦生物有其中一种性状，那么它会同时拥有这两种性状。
Until then, the most recent traces of such a creature had been in rocks dating from the last days of the dinosaurs, 65m years ago.
在此之前，这种动物最近的遗迹出现在6500万年前恐龙时代后期的岩层中。
A creature must balance perfecting a skill or trait (building up legs to run faster) against experimenting with new traits (wings).
生物必须在完善现有技能、特质(练腿力以便跑得更快)与尝试新特质(翅膀)之间作取舍。
The lion smiled at the mouse's fright and laughed at the thought that so small a creature could ever help him, but he let the mouse go.
狮子笑着看着惊恐万分的老鼠，嘲笑这么小的一只动物竟然能有帮助他的想法，但他还是把老鼠放走了。
The image of a satyr, by contrast although of the same size and material, has a goofy sweetness about it, like a creature pleasantly tipsy.
而相比之下，森里之神萨梯(satyr)的画像，虽大小相同、材质无异，却是面相和善，略显愚钝，看似醉意微醺。
LICHTMAN: This week, we have a creature feature, starring the Australian brush Turkey, which is not related to what will be on your Thanksgiving.
利希曼：这个星期，我们有一组生物特写，主角是澳大利亚的灌丛火鸡。灌丛火鸡跟将到来的感恩节没多大关系。
While he should feel safe, he worries horribly about the Beast, a creature that may well be digging its way towards him, all teeth and claws.
在他应该感到安全的时候，他却恐慌不已，觉得野兽很可能会挖洞过来，用牙齿和爪子袭击他。
While he should feel safe, he worries horribly about the Beast, a creature that may well be digging its way towards him, all teeth and claws.
在他应该感到安全的时候，他却恐慌不已，觉得野兽很可能会挖洞过来，用牙齿和爪子袭击他。
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