perihelion
英
[ˌperɪ'hiːlɪən]
美
[ˌperɪ'hiːlɪən]
-
Noun:
-
periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
-
用作名词 (n.)
-
A comet is at perihelion when it is closest to the sun.
彗星最接近太阳时,它就是在近日点。
-
The anomalistic year is the time between successive transits of the Earth through the perihelion.
近点年是地球连续两次通过近日点之间的时间。
-
-
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌