breed /bri:d/ I. vi.& vt. (bred, bred) 1.繁殖，产仔：Some animals will not breed when kept in cages. 有的动物圈在笼里喂养不产仔。 2.养殖，培育：breed cows and sheep 养殖牛羊；breed fish in the reservoir 在水库里养鱼［考句］ It is true that breeding a wild plant into a major food crop such as wheat requires much research time.将野生植物培育成像小麦那样的主要农作物需要很长时间的研究。3. 产生，造成： War breeds misery and ruin. 战争造成灾难。 Careless driving breeds accidents. 粗心驾驶造成事故。‖II. n. ［c］ 品种，种类：a dog of mixed breed 杂种狗；cultivate fine breeds 培育良种；improve breeds 改善品种