您要查找的是不是：
- 合集union
- 分集diversity
- 集群colony
- 集线器hub (network)
- 一辆大篷车辘辘地驶过场地。A wagon rumbled over the ground.
- 歌集songbook
- 他驾着大篷车辘辘行驶在街上。He rumbled the wagon down the street.
- 并集union of set
- 群集throng
- 笨重的马车辘辘地在街上走过。The heavy cart rumbled down the street.
- 写真集photo album
- 集装packaging
- 集合体aggregation
- 产业集群industry cluster
- 教父第一集The Godfather - 1972
- 杂集miscellany
- 字集character set
- 集水井sump well
- 数据集data set
- 佰草集Herborist
