peak

詞型變化：

動詞過去式:peaked 過去分詞:peaked 現在分詞:peaking 第三人稱單數:peaks 

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詞意辨析：

summit, climax, peak, top

這些名詞均含“頂點”之意。
summit: 書面用詞，指山的最頂峰部分，也指通過努力可以達到的最高水平，還指最重要的，國家間的首腦最高級會談。
climax: 指戲劇等的高潮，也指事物發展中的極點，因此多含其後由盛而衰的意味。
peak: 指山峰的全部或上部。
top: 普通用詞，可指包括人或物或其它任何的最高點或頂點。

英文解釋：

名詞 peak:

1. the most extreme possible amount or value
   同義詞：extremum
2. the period of greatest prosperity or productivity
   同義詞：flower, prime, heyday, bloom, blossom, efflorescence, flush
3. the highest level or degree attainable; the highest stage of development
   同義詞：acme, height, elevation, pinnacle, summit, superlative, meridian, tiptop, top
4. the top point of a mountain or hill
   同義詞：crown, crest, top, tip, summit
5. a V shape
   同義詞：point, tip
6. the highest point (of something)
   同義詞：vertex, apex, acme
7. a brim that projects to the front to shade the eyes
   同義詞：bill, eyeshade, visor, vizor

動詞 peak:

1. to reach the highest point; attain maximum intensity, activity

形容詞 peak:

1. of a period of maximal use or demand or activity

相關句子：

1. Property prices have peaked.
   房地產價格已達到最高點。
2. The mountain peaks are covered with snow all year.
   山頂上終年積雪。
3. Tourism is at its peak in August.
   旅遊業在八月份達到高峰。