2.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乳。
3.Whales are mammals that live in the sea.
是生活在海洋中的乳。
4.The boa feeds on birds and small mammals.
蟒主要吃鸟和小的乳。
5.Defensin is a widely existed antimicrobial peptide in plants, insects and mammals.
防御素是一种广泛在于植界的抗菌多肽。
6.In regard to animals, Diphyodont evolved into Reptilia, which evolved into mammals.
是由两栖进化为爬虫，再进化为乳类。
7.The function of a mammal's fur is to insulate the body.
乳皮毛的功能在于使身体保温。
8.There are lots of marine mammals such as whales and seals in the sea.
海洋里有许多诸如和海豹类的海生乳。
9.Suckling is an instinct in mammals.
乳是乳的本能。
10.Birds differ from mammals.
鸟类与乳不同。
11.Most mammals are diphyodonts.
大部分乳类有乳齿及永久 齿之别。
12.Most mammals live on land.
大多数乳生活在陆地上。
13.Whales belong among the mammals.
属于乳。
14.There is a close analogy between the gills of a fish and the lungs of a mammal.
的鳃与乳的肺很相似。
15.Forests are important habitats for birds and, in temperate forests, small mammals which inhabit the dense understorey.
森林对鸟类来说是重要的栖息地，而且在温带森林里，小型的乳居住在稠密的森林下层。
16.Last December scientists announced the probable extinction of the first mammal because of climate change: the white lemuroid possum, now gone from Queensland, Australia.
17.The north of zhungeer is the main district of Central Asia desert mammal population and the mammal in Altai is north subfrigid zone coniferous forest pattern.
18.Eusocial colonies are common among insects such as bees and ants, but the only examples in the mammal world are among furry and the naked mole rats.
群居的族群现象在如蜜蜂和蚂蚁等昆虫世界中很常见，但在乳中，只有毛鼹鼠和裸鼹鼠会是这样。
19.Schistosome infected people or other mammals from the discharge of faecal egg, if manure contaminated the water, eggs were brought into the water, hatched miracidium in the water.
感染血吸虫的人或其它乳从粪便中排出虫卵，若粪便污染了水，虫卵被带进水中，在水里孵出毛蚴。
20.LDH-C4 is specific to mature testes and spermtozoa of bird and mammal.It is related to metabolic processes that provide energy for motility and survival of spermtozoa.LDH-C4 is an autoantigen.
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