breed in and in

“ The Classics on Fish Breeding ”, written by Fan Li of the Warring States Period ( 475 B.C.-221B. C.), was the world's first book on fish breeding. Fan started to breed silver carp in 473B. C., and the book was based on his experience.

中国战国时代范蠡所著《养鱼经》是世界上最早的养鱼文献。范在公元前473年即开始养殖鲤鱼，并写下这本书。

Their are mainly used for cell breed in the field of biology, physic, animalcule, and gene.

主要使用于生物、医学、微生物、基因工程等领域的细胞培养。

Small sandpiper-like shorebird having lobate toes and being good swimmers; breed in the arctic and winter in the tropics.

类似矶鹞的滨鸟，脚趾呈叶子形，是游泳好手；北极繁殖，热带过冬。

Health workers are a breed apart in their commitment and dedication to duty.

在所承担的义务和献身精神方面,保健人员是很不相同的.

The whales migrate some 6,000 miles to breed and calve in the warm lagoons.

鲸会迁移6,000海里左右，到温暖的环礁湖生殖繁衍。

Many families in the town become rich after they began to breed cattle and pigs.

饲养牛和猪以后，镇上的很多家庭都致富了。