你什么时候使用a flock of这个表达方式?
母语人士的回答
Rebecca
A flock of指一大群人、鸟、绵羊和山羊。这里我们指的a flock of鸟,指的是一群鸟。示例: There's a flock of ducks at the dam. (坝上有一群鸭子。) 例子: We went to the zoo, and there was a flock of children at the horse pen. (我去了动物园,马圈旁边有很多孩子。) 例子: Look over there! It's a flock of sheep. (看那边!羊。)