apex
noun [ C ] uk/ˈeɪ.peks/ us/ˈeɪ.peks/ apexes or apices uk/ˈeɪ.pɪ.siːz/ us/ˈeɪ.pɪ.siːz/
(HIGHEST POINT)
mathematics specialized顶点;最高点
the highest point or top of a shape or object
apex of the apex of a triangle/pyramid 三角形的顶点／金字塔的塔尖
(SUCCESS)
figurative巅峰，全盛时期
the highest point or most successful part of something
apex of He reached the apex of his career during that period. 那个时期他的事业达到顶峰。
Synonyms: peak (HIGHEST POINT)pinnacle (SUCCESS)the summittop (HIGHEST PART)vertex zenith (MOST SUCCESSFUL POINT)
(BODY ORGAN)
medical specialized（器官的）尖，顶，顶点
the pointed end of an organ
A chest x-ray showed an abnormality in the left lung apex. 胸部透视显示左肺尖部异常。