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CET-4 CET-6 考研 TOEFL GRE BNC: 2312 COCA: 2364
peak noun | verb | adjective
 1 
peak / pik ; pi:k /noun C
1. TIME 时间, usually singularthe time when something or someone is best, greatest, highest, most successful etc高峰，顶点:
at sth's peak
•The British Empire was at its peak in the mid 19th century.英帝国在 19 世纪中叶处于全盛时期。
•Sales this month have reached a new peak .本月的销售额创了新高。
•Most athletes reach their peak in their mid 20s.大多数运动员在 25 岁左右达到巅峰状态。
•He's past his peak as a tennis player.作为网球运动员他已过了黄金时期。
•Oil production is down from its peak of two years ago.石油生产已比不上两年前的鼎盛时期。
at the peak of sth
•Hotel rooms are difficult to find at the peak of the holiday season.节假日高峰期宾馆一房难求。
•the peaks and troughs of the US economy (=high and low points)美国经济的起起落落
2. MOUNTAIN 山
a. the sharply pointed top of a mountain山顶，山峰:
•snow-capped mountain peaks 白雪覆盖的山顶
•jagged peaks嶙峋的山峰
b. a mountain山;
⇒summit:
•Mount McKinley is Alaska's highest peak.麦金利峰是阿拉斯加的最高峰。
3. POINT 尖, a part that forms a point above a surface or at the top of something尖端，尖顶:
•Whisk the egg whites until they form stiff peaks.将蛋清搅打至起尖发稠。
4. HAT 帽子, especially BrEthe flat curved part of a cap that sticks out in front above your eyes帽檐，帽舌;SYNvisor AmE
 2 
peakverb I
1. to reach the highest point or level达到顶峰，达到最高水平:
•Sales peaked in August, then fell sharply.销售额 8 月份达到最高点，然后急遽下降。
[+ at ]
•Wind speeds peaked at 105 mph yesterday.昨天的风速最高达每小时 105 英里。
 3 
peakadjective only before noun
1. used to talk about the best, highest, or greatest level or amount of something最高度的; 高峰时期的; 巅峰状态的:
•Gasoline prices are 14% below the peak level they hit in November.汽油价格比 11 月的最高点下跌了 14%。
•a shampoo designed to keep your hair in peak condition 令秀发保持最佳状态的洗发水
•If you phone during the day you pay the peak rate for calls.白天打电话要支付高峰时段电话费。
•periods of peak demand for electricity用电需求高峰时段
2. BrEthe peak time or period is when the greatest number of people are doing the same thing, using the same service etc〔时间或阶段〕高峰的:
•Extra buses run at peak times .交通高峰期加开公共汽车。
•Hotel prices rise during the peak season .高峰季节宾馆房价上涨。

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