peak1/pik; piːk/n [C] 1 the time when someone or something is best, highest, or most successful 高峰﹔全盛时期: The holiday season is now at its peak . 现在是节假日的高峰期。Profits this month have reached a new peak . 这个月的利润创了新高。At 40 many people are at the peak of their careers. 40 岁时﹐许多人都处于事业的高峰。2 a mountain or the pointed top of a mountain 山﹔山峰﹐山顶: the snow-covered peaks of the Alps 阿尔卑斯山脉白雪覆盖的山峰a mountain peak 一座山峰see box at见 MOUNTAIN 方框3 BrE the flat curved part of a hat that covers your eyes [ visor AmE 【美】]【英】帽舌﹐帽檐
peak2v [I] to reach the highest point or level 达到最高点[水平]: Sales peaked in July. 销量在七月份达到最高点。
peak3adj 1 highest or best 最高的﹔最佳的: Prices hit their peak level last year. 去年价格达到最高水平。a new shampoo that will keep your hair in peak condition 令你的头发保持最佳状态的新洗发水2 BrE peak times are when the largest number of people are travelling or doing something【英】〔时间〕高峰的﹔最繁忙的: There are extra buses during peak times. 高峰时间有增派的公共汽车。the peak holiday periods 度假高峰期