“大群”的英语？

下午6点钟大群大群的人从无数办公楼里蜂拥而出。At six p.m. large groups poured from the numerous offices.今天在十字路口有大群的游客在拍照。Today at the crossing there were swarms of tourists taking photographs.大群记者在会堂外争抢位置.Hordes of journalists jostled for posi...