英语单词查询
apsis
「apsis」的意思
n. 教堂东端之半圆室；[天] 拱点
拱点
「apsis」的用法
apsis近日点，远日点 - 天文学
「apsis」的例句
At the apsis, the planet is closest to the Sun.
在近日点时，行星离太阳最近。
The apsis of the Earth's orbit around the Sun is called the perihelion.
地球绕太阳的近日点称为近日点。
The apsis of a comet's orbit is its closest approach to the Sun.
彗星轨道的近日点是它最接近太阳的时候。
The apsis of a satellite's orbit is its furthest point from the Earth.
卫星轨道的远日点是它离地球最远的时候。
The apsis of a planet's orbit is its furthest point from the Sun.
行星轨道的远日点是它离太阳最远的时候。
The apsis of a celestial body's orbit is its closest or furthest point from another celestial body.
天体轨道的近日点或远日点是它离另一个天体最近或最远的时候。
The apsis of a binary star system is when both stars are closest together.
双星系统的近日点是两颗星最近的时候。
The apsis of an elliptical orbit is when one focus is at one end of the major axis and the other focus is at the other end.
椭圆轨道的近日点是其中一个焦点在长轴的一端，另一个焦点在另一端。
The apsis of a planetary system occurs when all planets are aligned with their star.
行星系统的近日点发生在所有行星都与恒星对齐时。