They are prolific breeders, with many hens laying up to six eggs.他们都是多产的饲养员，养的母鸡很多都可以下6个蛋之多。The new database will help horse breeders enormously.新数据库将对马匹饲养者有极大的帮助。He is one of the outstanding pig - breeders of the commun...
Until now, crop breeders have paid little attention to inducible resistance.直到现在为止, 作物培育者还很少注意诱导抗性.He is one of the outstanding pig - breeders of the commune.在公社里,他是数得着的养猪能手.Relatively few foresters or tree breeders cons...