The mark on the surface of the abdomen of mammals where the umbilical cord was attached during gestation.
脐哺乳动物腹表面的痕迹，在那儿怀孕期间脐带附着

The cetaceans are on the whole the most peculiar and aberrant of mammals, he remarked peevishly.
总而言之，鲸类是最奇特和最反常的哺乳动物。

The fact that capsaicin causes pain to mammals seems to be accidental.
因此, 辣椒素引发哺乳动物的痛觉感受似乎纯属偶然。

A world fit for mammals. From tiny shrews, tenrecs accustomed to the dark.
一个适合的哺乳动物。从小型的鼩，马岛猬习惯于黑暗。

Bats are the only mammals to have wings and to achieve sustained flight.
蝙蝠是唯一得有翅膀且能持续飞行得哺乳动物。

An examination of acoustic signaling systems among mammals gives us some scanty clues.
检视哺乳类动物的听觉传讯系统可以得到一些蛛丝马迹。

The animal and its acquired toxicity is unique among placental mammals.
这种获得毒素得形式在胎盘类哺乳动物里是独一无二得。

These large cats are active primarily at night, on the hunt for deer, rabbits, and other mammals
这些大型的猫科动物主要在晚上活跃，准备捕猎鹿群，兔子和其它一些动物。

Effect of Reproduction and Exercise on Brown Adipose Tissue Thermogenesis of Small Mammals
繁殖和运动对小型兽类褐色脂肪组织产热的影响

Axons of the central nervous system in adult mammals do not regenerate spontaneously after axotomy.
成年哺乳动物的中枢神经受伤后无法自行再生。

Prion diseases affect the brains of a number of mammals, including humans.
普利子疾病能影响许多哺乳动物得大脑，包括人类。

any of several plaincolored equine mammals of Asia and northeast Africa.
亚洲和非洲东北部的几种颜色纯净的马科哺乳动物。

In the room afterwards the captain of the mammals was chatting to the insect captain.
赛后在更衣室内兽队队长跟虫队队长聊了起来。

That's why the Trustees for Alaska, a public interest law firm, has sued the U.S. government for failing to protect areas vital to endangered marine mammals.
这就是一家名叫阿拉斯加信托公司的公共利益法律事务所控告美国政府保护濒临灭绝的海洋生物不力的理由。

Birds, fish, mammals, amphibians and reptiles are all vertebrates.
鸟类、鱼类、哺乳动物、两栖和爬行动物都是脊椎动物。

Veterinary Anatomy Of Domestic Mammals
家养哺乳动物的兽医解剖学

Fossil teeth of ancient mammals are needed to cure him.
要想治好他的病，需要龙齿这味药。

PRIMATES apart, few mammals employ tools.
除了灵长类动物，会使用工具的哺乳类动物屈指可数。

Monotremes and marsupials are aplacental mammals.
单孔类动物和有袋动物是无胎盘的哺乳动物。

A method and apparatus for simulation of hearing in mammals by introduction of a plurality of microwaves
通过传入一种多元微波，模拟哺育动物的听觉的方法和仪器

When did mammals appear on the earth
地球上的哺乳动物起源于何时

membrane connecting the toes of some aquatic birds and mammals
某些水鸟或哺乳动物脚趾间连着的膜

The zoology of whales and related aquatic mammals.
鲸学研究鲸和与其有亲缘关系的水生哺乳动物的动物学

Perfluorooctane sulfonate is associated with serious harmful effects in mammals and aquatic organisms.
全氟辛烷磺酸对哺乳动物和水生物会造成严重的有害影响。

Arboreal predators include small mammals including the pine marten, wild cats, and the stoat, which preys on nestlings.
栖树性的捕猎者包括松貂，野猫，白鼬等，主要攻击幼小的个体