鲸鱼是哺乳动物。
The camel is a mammal, but the kiwi is a bird.
骆驼是一种哺乳动物，但是几维鸟是一种鸟。
You won't ever find feathers on a mammal or gills on a primate.
你在哺乳动物身上找不到羽毛，在灵长类动物身上找不到腮。
I mean, Ambulocetus is a mammal that shows a sort of bridge between walking on land and swimming.
我的意思是，陆行鲸是一种哺乳动物，可以指明一个路上行走动物和水中游泳动物的清晰联系。
The pronghorn, which resembles an antelope, though they are unrelated, is the fastest land mammal of the New World.
叉角羚与羚羊虽无亲缘关系，但却形似羚羊，它是新大陆速度最快的陆地哺乳动物。
One bone was a piece of rib from a cow-sized mammal; the other, a leg bone fragment from a mammal the size of a goat.
一根骨头是来自牛一般大小的哺乳动物的肋骨；另一根是来自山羊一般大小的哺乳动物的腿骨碎片。
The only clear explanation is that humans caused the extinction of the various mammal species through excessive hunting.
唯一明确的解释是人类的过度捕猎导致了各种哺乳动物的灭绝。
Removing waterfowl-nest predators could affect songbird nesting success through subsequent increases in small-mammal populations.
清除水禽巢捕食者可能会通过随后小哺乳动物数量的增加影响鸣禽筑巢的成功。
The coastal hypothesis suggests an economy based on marine mammal hunting, saltwater fishing gathering, and the use of watercraft.
沿海假说提出了一种以捕猎海洋哺乳动物、收集捕捞咸水鱼和使用船只为基础的经济模式。
The only mammal added to the list this year was the Eastern Voalavo, a rodent that lives in the mountainous forests of Madagascar.
今年唯一被列入名单的哺乳动物是马达加斯加山鼠，一种生活在马达加斯加山区森林里的啮齿动物。
The coastal hypothesis suggests an economy based on marine mammal hunting, saltwater fishing, shellfish gathering, and the use of watercraft.
海岸假说提出了一种以捕猎海洋哺乳动物、捕捞咸水鱼类、采集贝类和使用船只为基础的经济模式。
Like when you walk outside on a hot day, you perspire, and your body cools itself down, a classic example of how a mammal regulates its own body temperature.
比如，当你在炎热的天气在户外行走，你会出汗，你的身体会自我降温，这是哺乳动物如何调节自身体温的典型例子。
Humans arrived in the Kaliko Islands about 7,000 years ago, and within 3,000 years most of the large mammal species that had lived in the forests of the Kaliko Islands were extinct.
人类大约在7000年前到达加里科群岛，在3000年内，生活在加里科群岛森林中的大型哺乳动物物种大部分灭绝。
How was the gap between a walking mammal and a swimming whale bridged?
会走路的哺乳动物和会游泳的鲸鱼之间的差异是如何衔接起来的？
Early humans seem to have played a major role in finishing offnine other mammal species that weighed over a tonne.
早期人类似乎扮演了终结者的角色，使其他九种超过一吨的哺乳动物彻底从地球上消失。
A handful of Africa's unique island mammal families that were present 26 million years ago are absent from sites younger than Mush.
在比 Mush更年轻的遗址中，不少2600万年前只属于非洲大陆的哺乳科动物消失了。
A wolverine is a small, fierce mammal.
貂熊是一种小型，凶猛的哺乳动物。
Mammal a whale is not a fish, but a mammal.
鲸不是鱼，而是哺乳类动物。
As a mammal, we must obey the rules of biology.
作为一种哺乳动物，我们必须遵循生物规则。
See "Dino-era Mammal the 'Jurassic Mother' of Us All?"
另见“恐龙纪哺乳动物——我们的‘侏罗纪祖先’？”
BLOG: Dinosaur Extinction Paved Way for Mammal giants.
相关博客：恐龙灭绝为巨型哺乳动物繁衍铺平道路。
A. Ants' muscles are not unlike those of a mammal in many ways.
蚂蚁的肌肉和哺乳动物的肌肉在许多方面都很不相同。
Belknap was initially surprised to find the bone of a larger mammal.
贝尔科那普最初发现这块较大哺乳动物的骨头时感到吃惊。
If the predator is a mammal (which can hear), they utter alarm calls.
假如捕食者是个哺乳动物(具备听力)，它们就发出呼叫。
Since 1993 the number of known mammal species has increased 10 percent.
自1993年来，已知的哺乳动物物种数增加了10%。
Elephants have a longer pregnancy than any other mammal-almost 22 months.
象比其他哺乳动物的妊娠期更长——将近22个月。
The baiji is a beautiful mammal, on top of the food chain, close to human beings.
白暨豚是一种美丽的哺乳动物，在食物链中的位置处于上端，仅次于人类。
Rabies is a viral disease usually transmitted by a bite from an infected mammal.
狂犬病是一种病毒病，通常是由被感染动物的咬伤传播的。
Rabies is a viral disease usually transmitted by a bite from an infected mammal.
狂犬病是一种病毒病，通常是由被感染动物的咬伤传播的。
应用推荐