1. They came in flocks to see the procession. 他们成群结队来看游行队伍。
2. These cases all attracted flocks of famous writers. 这些案例均吸引了大批知名作家。
3. During the winter months, great flocks of gulls gather at landfills and sewage outfalls. 冬季时大群大群的海鸥会聚集在垃圾场和排污口。
4. Flocks are not fussy, so they are as likely to alight in a bush in a city park as on a rural hawthorn hedge. 鸟儿们并不挑剔，所以它们可能降落在城市公园中的灌木上，或是乡村的山楂树篱上。
5. Decades of studies of bird flocks led researchers to predict extra alertness in the more vulnerable, end of the row sleepers. 通过对鸟群几十年的研究，研究人员预测，那些更容易受伤的、睡眠时处于队列末端的鸟会格外警觉。
