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单词 冥王星
释义 〔Tombaugh〕American astronomer who discovered the planet Pluto (1930).汤博,克莱德·威廉:(生于 1906) 美国天文学家,他于1930年发现了冥王星〔Pluto〕The ninth and usually farthest planet from the sun, having a sidereal period of revolution about the sun of 248.4 years, 4.5 billion kilometers or 2.8 billion miles distant at perihelion and 7.4 billion kilometers or 4.6 billion miles at aphelion, and a diameter less than half that of Earth.冥王星:距离太阳第九远而且通常也是最远的一颗行星,它绕太阳运转的恒星年为2484年,在近日点时距太阳45亿公里或28亿英里,在远日点时距太阳74亿公里或46亿英里,其直径不到地球直径的一半〔Charon〕The only satellite of Pluto.卡戎:冥王星的唯一卫星〔planet〕A nonluminous celestial body larger than an asteroid or a comet, illuminated by light from a star, such as the sun, around which it revolves. In the solar system there are nine known planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.行星:比一颗小行星或一颗彗星大的不发光的天体,由它绕转的恒星,如太阳的光所照亮在太阳系中有九个已知的行星:水星、金星、地球、火星、木星、土星、天王星、海王星和冥王星〔Pickering〕American astronomer noted for his work on stellar photometry. His brotherWilliam Henry Pickering (1858-1938) discovered Phoebe, the ninth moon of Saturn (1899), and predicted the existence of Pluto (1919). 皮克林,爱德华·查尔斯:(1846-1919) 美国天文学家,因在天体光度学方面的研究而闻名。他的弟弟威廉·亨利·皮克林 (1858-1938年)发现了土星的第九个卫星──土卫九(1899年),并预言了冥王星的存在(1919年) 〔Plutonian〕Of or relating to the planet Pluto.冥王星的:属于或关于冥王星〔pluton〕from Latin Plūtō Plūtōn- [Pluto] * see Pluto 源自 拉丁语 Plūtō Plūtōn- [普路托;冥王星] * 参见 Pluto
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更新时间:2025/5/8 16:57:59