Mammals

Humans experience a delayed maturity; we arrive at all stages of life later than other mammals.

人类发育较缓——在生命的各个阶段，我们都晚于其他哺乳动物。

They're cold-blooded like fish, but they always have lungs like mammals.

它们像鱼一样是 冷血动物, 但它们又像哺乳动物一样总长着肺.

Whales are classified as mammals rather than fish.

鲸属于哺乳类而非鱼类。

Mammoths were herbivorous mammals.

猛犸是食草性哺乳动物。

Marine mammals generally swim with the current.

海洋哺乳动物一般顺水而游。

I don't have any reliable numbers for global mole population ( or small mammal biomass in general), but we'll take a shot in the dark and estimate that there are at least a few dozen mice, rats, voles, and other small mammals for every human.

我手上没有全球鼹鼠数量（或者小型哺乳生物的总体生物质量）的可靠的数字，但我们不妨认为小鼠、大鼠、田鼠以及其他小型哺乳动物的数量约为世界总人口的几十倍

He lists three types of steroid sex hormones that function in mammals.

他列举在哺乳动物中起作用的三种类固醇性激素.

Bats are the only mammals to have wings and to achieve sustained flight.

蝙蝠是唯一的有翅膀且能持续飞行的哺乳动物.

Carnivores are usually socially complex mammals.

食肉动物通常是有着复杂的社会关系的哺乳动物。

It has been suggested that mammals took over from dinosaurs 65 million years ago.

有人提出哺乳动物是在6500万年前取代恐龙的。

Mammals arose from a fairly primitive reptile in the Mesozoic era.

哺乳类起源于中生代宛若原始的爬虫类.

Humans and mammals lactase/ phlorizin ( LPH) hydrolase also contains an aryl-β-glucosidase, as LPH relate to adult-type lactase deficiency-a common human genetic disorders which received extensive attention.

人和哺乳动物体内的乳糖酶／根皮苷（LPH）水解酶也含有一种芳基-β-葡萄糖苷酶，LPH因其涉及成人型乳糖酶缺乏病&一种常见的人体基因紊乱病而受到广泛关注。

When did mammals appear on the earth?

地球上的哺乳动物起源于何时？

Advances on related genes with sexual precocity in mammals

哺乳动物性早熟相关基因的研究进展

Whales are mammals that live in the sea.

鲸是生活在海洋中的哺乳动物.

Because until recently there was no fossil record of what we call "the missing link"-that is evidence of species that show the transition between land-dwelling mammals and today's whales.

因为至今为止，我们还没有发现所谓关于二者联系消失的化石证据。这是很重要的证据来证明陆上生物到鲸鱼的进化。

There are lots of marine mammals such as whales and seals in the sea.

海洋里有许多诸如鲸鱼和海豹类的海生哺乳动物.

Lactation is the final phase of the reproductive cycle of mammals.

泌乳是哺乳动物繁殖周期的最后阶段.

Most mammals live on land.

大多数哺乳动物生活在陆地上.

No mammals other than people may enter the country without lengthy quarantine.

除人之外，所有的哺乳动物进入这个国家都必须经过长期隔离。

Mammals damage orchards on every continent by girdling roots.

哺乳动物在各地对种子园的危害是咬断根系.

Whales belong among the mammals.

鲸鱼属于哺乳动物.

Suckling is an instinct in mammals.

哺乳是哺乳动物的本能.

Mammals weighing sixty kilograms have an average brain size of 200 cm2 ．

体重60公斤的哺乳动物的平均大脑面积为200平方厘米。

Most mammals are diphyodonts.

大部分哺乳类动物有乳齿及永久齿之别.

humans reach maturity more slowly than other mammals at each developmental stage.

人类在每个发育阶段都比其他哺乳动物更缓慢地达到成熟。

On Monday, in The Journal of Experimental Zoology, the authors conclude that the response originated in mammals more than 150 million years ago as a way to release eggs to be fertilized after sex.

周一，两名作者在《实验动物学杂志》（The Journal of Experimental Zoology）上推断，女性性高潮这种反应起源于逾1.5亿年前的哺乳动物，当时是为了排出卵子，让其在性行为结束后受精。

placental mammals

胎盘哺乳动物

The boa feeds on birds and small mammals.

蟒主要吃鸟和小的哺乳动物.

Purification and Biological Significance of a Specific Chromium Binding Substance ( A Low Molecular Weight Chromium Binding Substance) foundin Organs of Mammals

关于机体内特异的铬结合物质（低分子铬结合物）的精制及其意义的研究