名詞 apex:

1. the highest point (of something)
   同義詞：vertex, peak, apex, acme
2. the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars
   同義詞：apex, solar apex, apex of the sun's way

a.pi.ces

n.（名詞）
A plural of apex
apex的復數(shù)