a flock of

• adj. 一群(一组；许多)

a flock of的用法和样例：

例句

1. In the forest, we came upon a flock of pheasants.
   在森林里我们碰到一群雉鸡。
2. A flock of sheep poured through the gate.
   一群羊从羊圈口涌了出来。
3. A flock of gulls circled overhead as the boast sailed into the port.
   船只驶入港口时，一群海鸥在船上方盘旋。