apex

noun
🔊/ˈeɪpeks/
🔊/ˈeɪpeks/
[usually singular]
(plural apexes)
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  1. the top or highest part of something顶点;最高点
    • the apex of the roof/triangle房顶;三角形的顶点
    • (figurative) At 37, she'd reached the apex of her career.她在 37 岁时达到了事业的巅峰。🔊🔊
    Word Originearly 17th cent.: from Latin, ‘peak, tip’.

Apex

abbreviation
🔊/ˈeɪpeks/
🔊/ˈeɪpeks/
(also APEX)
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  1. Advanced Purchase Excursion预付款旅游票优惠
    (a system that offers cheaper travel tickets when they are bought in advance)