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...
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...