1.
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。
2.
biology of reproduction in mammals
哺乳动物生殖生物学
3.
any of numerous marine mammals that come on shore to breed; chiefly of cold regions.
众多的上岸繁殖的水生哺乳动物；主要生活在寒冷水域。
4.
The formal genetics of mammalian cells has been dependent on breeding experiment with whole organisms.
哺乳动物细胞的表型遗传学取决于整个机体的繁殖实验。
5.
One strain was a type that, in any circumstances, only breeds in mammals, not insects.
一种疟原虫是在任何情况下，都不能在昆虫中繁殖，而只能在哺乳动物中繁殖。
6.
Suckling is an instinct in mammals.
哺乳是哺乳动物的本能。
7.
Role of MicroRNA in Mammalian Female Reproduction
MicroRNA在雌性哺乳动物生殖中的作用
8.
An interval of sexual inactivity between two periods of estrus in mammals that breed cyclically.
非求偶期，不动情期周期繁殖的哺乳动物在两个求偶期之间的不动情期
9.
"The larvae invade snails, develop to the next stage, emerge into the water, and invade mammals to feed and Breed in the Bloodstream."
其幼虫生长在螺类体内,在第二个阶段进入水中,后侵入哺乳动物体内,并在血液中繁殖生长。
10.
The Mammals, as conditions became more genial again, developed and spread to fill the vacant world.
当环境再变得较温暖时，哺乳动物就发展和繁殖了起来，填满了这个空白的世界。
11.
Those that did have flourished.
那些已经返回海洋的哺乳动物种族繁荣。
12.
Effects of Nickel Dust on Multiplication of NIH/3T3 Cell and DNA Damage in Mammal
镍矿尘对哺乳动物细胞增殖及DNA损伤的影响
13.
animals that nourish their young with milk.
用乳汁哺育幼子的哺乳动物。
14.
The branch of zoology that deals with mammals.
哺乳动物学动物学中研究哺乳动物的一个分支
15.
She was the first mammal ever created from the non-reproductive tissue of an adult animal.
它是第一只从成年动物身上的非生殖组织中培育出的哺乳动物.
16.
What are the differences between cows and sows in reproduction and lactation?
那母牛与母猪在繁殖哺乳上有什麽不同呢？
17.
dog:a domesticated carnivorous mammal (Canis familiaris) related to the foxes and wolves and raised in a wide variety of breeds.
"狗,犬:与狐狸、狼近缘的家养食肉哺乳动物(犬 犬科),品种繁多."
18.
A domesticated carnivorous mammal(Canis familiaris) related to the foxes and wolves and raised in a wide variety of breeds.
狗，犬与狐狸、狼近缘的家养食肉哺乳动物（犬犬科），品种繁多