Question

apex

---

a∙pex / ˈepɛks ; ˈeɪpeks /
◙noun [C]
1. [technical] the top or highest part of something pointed or curved
• 尖端，顶点，最高点:
 »the apex of the roof
  房顶的尖端
 »the apex of a pyramid
  金字塔塔尖
2. [formal] the most important position in an organization or society
• 最高职位; 最高地位:
 »The king was at the apex of society.
  国王是社会的最高主宰。
3. [formal] the most successful part of something
• 顶峰:
 »He was at the apex of his career.
  他正处于事业的顶峰。