roll

释义

n. 卷, 滚动, 名单, 案卷, 压路机\nvi. 滚, 滚动, 飘流, 起伏, 卷, 绕\nvt. 使滚动, 卷, 绕 roll out 铺开；滚出 work roll 工作辊 roll in 蜂拥而来；[口]有大量的（钱财等）；[美俚]就寝；到达

例句

There was silence as the cameras started to roll.

摄影机开始转动，大家安静了下来。