1. Officials were clustered at every open office door, talking excitedly. 官员们聚集在每一个门面大开的办公室前，兴奋地谈论着。
2. The doctors clustered anxiously around his bed. 医生焦急地围在他的床边。
3. The African colonies clustered in particular around the great promontory which, with Sicily opposite, forms the narrowest channel on the main Mediterranean sea route. 非洲殖民地尤其集中在大海角周围，该海角与西西里岛相对，形成了地中海主要航线上最窄的航道。
4. Many groups have clustered in slums in a process anthropologists call sedentarization. 有很多社会群体都聚集在平民窟，人类学家称之为定居化。
5. Most cells were clustered in the interfollicular area. 大多数细胞集中在滤泡间区。
