apsis

英

美

n.  教堂东端之半圆室；拱点

英英释义

noun

• a domed or vaulted recess or projection on a building especially the east end of a church
  Synonym:apse

双语例句

• Orbit of a particle ejected from APSIS exerted by central force following power law
  幂律引力作用下从拱点抛出质点的运动轨道