Fossil teeth of ancient mammals are needed to cure him.
要想治好他的病，需要龙齿这味药。
Influencing factors on basal metabolic rate in mammals.
哺乳动物基础代谢率的主要影响因素
Like all mammals, female cows only lactate when pregnant.
像所有哺乳动物一样, 母奶牛只在孕育后代时分泌乳汁。
Research secies diversity of Mammals in Northeast of China
黑龙江兽类物种多样性研究
And someday youll stop dating dogs and date higher mammals.
总有一天你会停止和狗约会, 并且和更高的猛犸象约会
Like many mammals, hares are easiest to see at dawn and dusk.
同许多哺乳类动物一样, 在黎明和黄昏时最容易看到兔子。
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
Advances on Five Related Genes with Delayed Puberty in Mammals
哺乳动物性晚熟5个相关基因的研究进展
primitive pouched mammals found mainly in Australia and America
主要分布在澳大利亚和美国的原始有袋的哺乳动物
Besides fish, other prey includes sea birds and marine mammals.
除了鱼类，们的猎物还包括海鸟和海洋哺乳动物。
Lymphocyte production in mammals originates in the bone marrow.
哺乳动物淋巴细胞在骨髓产生。
The fleshy,hairless snout of certain mammals,such as ruminants.
鼻唇哺乳动物肉质的无毛口鼻部，如反刍动物。
All marine mammals use sound for communication to stay in touch.
所有海洋哺乳动物用声音来保持相互联系。
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。
The modified blastula that is characteristic of placental mammals.
胚泡转化的囊胚, 为胎盘哺乳动物的特征
Lactation is the final phase of the reproductive cycle of mammals.
泌乳是哺乳动物繁殖周期得最后阶段。
Sea mammals must periodically emerge from under the sea to breathe.
海生哺乳动物必须不断地从海底浮出海面呼吸。
All mammals except monotremes and marsupials are placental mammals.
除了单孔类动物和有袋动物之外所有的哺乳动物都是有胎盘的哺乳动物。
Among mammals alone, the number of nocturnal species is astonishing.
仅在哺乳动物中，夜行动物的数量都是非常惊人的。
Dogs are a common canine mammals， is a close relative of the wolf.
狗是一种常见的犬科哺乳动物，是狼的近亲。
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。
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。
Dogs， usually dogs， also known as a dog， a common canine mammals.
犬，通常指家犬，也称狗，一种常见的犬科哺乳动物。
Progress in Histology of Corpus Luteum in Mammals During Estrous Cycle.
哺乳动物发情周期黄体的组织学研究进展
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。
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