perihelion
perihelion汉语翻译
perihelion词型变化
perihelion英语解释
名词 perihelion:
- periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
perihelion例句
- A comet is at perihelion when it is closest (=very close) to the sun.彗星最接近太阳时,它就是在近日点。
perihelion详细解释
per.i.he.li.on
n.(名词)【复数】 per.i.he.li.a[-hô.lô-…, -hôl.y…] The point nearest the sun in the orbit of a planet or other celestial body.近日点:绕日运行的行星或其它天体的椭圆轨道上离太阳最近的一点
来源:Alteration of New Latin perihôlium 现代拉丁语 perihôlium的变化 peri- peri-Greek hôlios [sun] * see s3wel- 希腊语 hôlios [太阳] *参见 s3wel-
【引伸】
per.ihe.lial