单词 | planet x |
释义 | planet X[ plan-it eks ] / ˈplæn ɪt ˈɛks / noun Astronomy.a planet beyond the orbit of Pluto whose existence has been hypothesized but not confirmed. Origin of planet XFirst recorded in 1880–85 Words nearby planet Xplanetology, plane tree, plane trigonometry, planet-struck, planet wheel, planet X, planet Zog, planform, plangent, planh, plani- Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
随便看 |
英语词典包含192737条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。