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- A flock of pigeons fitted with mobile phone backpacks is to be used to monitor air pollution, New Scientist magazine reported on Wednesday. 美国科学家日前表示，他们打算利用鸽子来完成对空气污染的监测工作。这群背驮着特殊装置的鸽子将于今年8月份被放飞到美国加利福尼亚州圣何塞市的空中。
- A flock of pigeons fluttered down on to the grass in front of them and began strutting about, stopping now and then to cock their heads on one side and look at the young couple. 一群鸽子扑扑扑地飞到范博文他们跟前，在草地上像散步似的慢慢地走，又站住了，侧着头看他们。
- A flock of sheep poured through the gate. 一群羊从羊圈口涌了出来。
- This time I looked outside myself and noticed some children feeding a flock of pigeons couples waltzing under the trees the old man pushing his friend in a wheelchair. 我发现几个小孩喂鸽子、树下的几对夫妻跳华尔兹舞、那位老人推着轮椅上的朋友等。
- In the forest, we came upon a flock of pheasants. 在森林里我们碰到一群雉鸡。
- We saw a flock of geese swimming in the lake. 我们看见一群鹅在湖里游水。
- A flock of wild geese flew overhead. 一群野鹅从头顶飞过。
- A flock of customers waited for the store to open. 一群顾客等著商店开门。
- 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。
- There is a flock of waterfowls on the pond. 池塘上有一群水鸟。
- He has a flock of sheep and a herd of cattle. 他有一群羊和一群牛。
- A flock of sheep descended slowly from a hill. 一群羊慢慢地从山上下来。
- A flock of sheep are ranging over the grassland. 一群羊在草原上来回走动。
- A flock of geese perked down the roadway. 一群鹅挺着脖子在大道上走着。
- There is a flock of sheep on the meadow. 草地上有一群羊。
- A flock of gulls wheeled just above the dock. 一群海鸥在甲板上方盘旋。
- A flock of customer wait for the store to open. 一群顾客等著商店开门。
- We see a flock of geese swimming in the lake. 我们看见一群鹅在湖里游水。
- We saw a flock of geese in the lake. 我们看见一群鹅在湖里。
- A flock of birds, especially snipe. （鸟）的一群一群鸟，尤指一群鹬
