herdn.兽群；牧人；群vt.放牧；群集；使 ... 成群，把…赶到一起vi.聚在一起herd instinct群集本能herd togetherv.成群herd immunity群体免疫Herding Grass牧草Herd of Price价格的羊群效应herd structure人群结构,畜群结构herd behaviour羊群效应herding effect羊群行为herd-average畜群平均数Herding Cattle牧牛道场