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perihelion

n. 近日点

近日点

WordNet (r) 3.0 (2006) (WordNet)

perihelion
n 1: periapsis in solar orbit; the point in the orbit of a
planet or comet where it is nearest to the sun [ant:
{aphelion}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Perihelion \Per`i*hel"ion\, Perihelium \Per`i*he"li*um\, n.; pl.
{Perihelia}. [NL., fr. Gr. peri` about, near "h`lios the
sun.] (Astron.)
That point of the orbit of a planet or comet which is nearest
to the sun; -- opposed to {aphelion}.
[1913 Webster]

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单词	字典	翻译
Perihelion	查看　Perihelion　在百度字典中的解释	百度英翻中〔查看〕
Perihelion	查看　Perihelion　在Google字典中的解释	Google英翻中〔查看〕
Perihelion	查看　Perihelion　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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