n. 兽群, 人群, 牧人

vt. 群集, 使成群, 放牧

vi. 聚在一起

n. a group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans

n. a group of wild mammals of one species that remain together: antelope or elephants or seals or whales or zebra

v. cause to herd, drive, or crowd together

v. move together, like a herd