1.Specialists at * Oklahoma State University suggest starting with a small flock, (twenty) -- 20 to (fifty) 50 females.
俄克拉荷马州大学的专家建议从一个小的羊群开始—20到50只母羊。
2.My mother is standing amid some 500 Canada geese, a small flock of domestic hens, a few bantams1 and three ponies, all feeding contentedly.
母亲正站在大约500只黑雁、一小群家鸡、几只矮脚鸡和三匹小马中间，它们都在心满意足地吃着。
3.Specialists at Oklahoma State University suggest starting with a small flock -- 20 to 50 females.
俄克拉何马州立大学的专家建议，首先饲养一小群，20至50只母羊。
4.A family or small Flock of birds, especially partridge or quail.
一窝，一小群一窝或一小群鸟，尤指鹧鸪或鹌鹑
5.It is a small flock that has not a black sheep.
羊群虽小，必有败类；树多出杂木，人多出怪物。
6.We have a small flock of birds crossing the runway left to right, approach end.
目前跑道上空有一小群鸟由左至右横越，已接近终点。