apsis

核心释义

1. 1.

   教堂东端带有穹顶或拱顶的凹室或凸出部分。

   A recess or projection, with a dome or vault, at the east end of a church.

2. 2.

   建筑物上的穹顶或拱顶凹室或突出部分,尤指教堂东端,通常设有祭坛

   a domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar

3. 3.

   行星、彗星或月球椭圆轨道上距所绕天体最近或最远的点；例如近日点、远日点、近地点和远地点。

   Either of the points in the elliptical orbit of a planet, comet, or moon where it is closest or furthest from the body it orbits; examples are perihelion, aphelion, perigee, and apogee.

建筑物上的穹顶或拱顶凹室或突出部分,尤指教堂东端,通常设有祭坛；行星、彗星或月球椭圆轨道上距所绕天体最近或最远的点；例如近日点、远日点、近地点和远地点。；教堂东端之半圆室；[天文]拱点