apex
/ˈeɪ.peks/
名词
巅峰，全盛时期
He reached the apex of his career during that period.
那个时期他的事业达到顶峰。
（器官的）尖，顶，顶点
A chest x-ray showed an abnormality in the left lung apex.
胸部透视显示左肺尖部异常。
顶点；最高点
the apex of a triangle/pyramid
三角形的顶点／金字塔的塔尖
/ˈeɪ.peks/
名词、形容词
预付款旅游票优惠（Advance Purchase Excursion的缩写）
an Apex fare
预付款旅游票优惠价