“For the birds it's a very convenient way to get food. There are huge clusters of organic waste they can feed on,” said Flack. 有机废物堆
Reporters clustered around the palace gates for news. 记者们聚集在皇宫门口等着抢新闻。
Industries in Britain tend to be clustered together. 英国的各种制造业往往会集中到一个地方。
The plant bears its flowers in clusters. 这种植物开花成簇。
The doctors clustered anxiously around his bed. 医生焦急地围在他的床边。