音标与读法

这里为大家介绍下mammal 是什么意思，希望能帮助到各位朋友。

音标：[ "mæməl ]名词复数:mammals

中英文翻译

n.

哺乳纲动物。

any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk

同义词：mammalian,

例句与用法

1.Suckling is an instinct in mammals .

哺乳是哺乳动物的本能。

2.Other seed-eating mammals may become troublesome .

其它取食种子的哺乳类也会引起麻烦。

3.A whale is a kind of mammal .

鲸是一种哺乳动物。

4.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。

5.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。

6.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。

7.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。

8.Fish and reptiles are more likely to change sex than are mammals or birds .

鱼和爬行动物一般要比哺乳动物或飞禽更容易改变性别。

9.The main groups of vertebrates are: fishes, amphibians, reptiles, birds and mammals .

脊椎动物的主要种类是鱼类，两栖动物，爬行动物，鸟类和哺乳动物。

10.Professor owen has subsequently extended the same generalization to the mammals of the old world .

以后欧文教授把这一法则引伸到“旧世界”的哺乳动物。

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