interval/ˋIntɚvḷ; ˈIntəv$l/n [C] 1 a period of time between two events or activities〔两件事情或两个活动之间的〕间隔﹐间歇: +between the interval between arrival and departure 到站和离站之间的间隔2 at … intervalsa) used to say how often something happens 每隔…的时间〔用于表示某事发生的频率〕: Payments are made at regular intervals . 款项定期支付。at weekly/monthly etc intervals inspections at monthly intervals 每隔一个月作的检查 b) used to talk about the distance between objects 每隔…的距离〔用于表示物体的间距〕: at regular/3m/5m etc intervals trees planted at regular intervals 等距栽种的树3 BrE a short period between the parts of a play, concert etc [ intermission AmE 【美】] 【英】〔戏剧﹑音乐会等的〕幕间休息see box at见 THEATRE 方框