| 单词 | 彗星 |
| 释义 | 〔Mitchell〕American astronomer and educator noted for her study of sunspots and nebulae and for the discovery of a comet (1847). She was the first woman elected to the Academy of Arts and Sciences (1848).米切尔，玛丽亚：(1818-1889) 美国天文学家和教育家，以其对黑子及星云的研究和（1847年）发现了一颗彗星而闻名，她是第一位被选入艺术及科学名人的女性(1848年）〔sunward〕a comet's sunward plunge; bathers facing sunward.彗星的向阳运动；沐浴者向阳仰卧〔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〔shall〕The comet will (not shall ) return in 87 years. 那彗星将（不用 shall ) 在87年后返回。 〔nucleus〕The central portion of the head of a comet.彗核：彗星头部的中心部分〔Haley〕American singer who with his band, the Comets, recorded "Rock Around the Clock,” "Shake, Rattle, and Roll" (both 1954), and other early and influential rock 'n' roll songs.哈利，小威廉·约翰：(1925-1981) 美国歌手，同他的乐队“彗星”一起录制了《绕着钟表摇滚》《震颤、作响与摇滚》（都录制于1954年），以及别的一些具有影响力的早期摇滚歌曲〔comet〕Comets have been feared throughout much of human history,and even in our own time their goings and comings receive great attention.Perhaps a comet might seem less awesome if we realized that our name for it is based on a figurative resemblance between it and human beings.This figurative name is recorded first in the works of Aristotle,in which he useskomē, the Greek word for "hair of the head,” to mean "luminous tail of a comet.” Aristotle then uses the derived wordkomētēs, "wearing long hair,” as a noun meaning "comet.” The Greek word was adopted into Latin ascomētēs, which was refashioned in Late Latin and given the formcomēta, furnishing Old English with comēta, the earliest English ancestor of our wordcomet. 在大多数人类历史期间，人们害怕彗星，甚至在我们自己的时代彗星的到来与离去仍受到很大注意。如果我们认识到我们对它的名字是基于它和人在外形上的相似性，也许彗星看起来就不太可怕了。比喻的名字首先记录在亚里士多德的著作中，他使用的kome 是希腊语中意为“头发”的词，表示“彗星明亮的尾巴。 然后亚里士多德使用导出的单词kometes “戴长发”，作为名词意义的"comet"。 希腊单词被采用到拉丁语为cometes， 它再形成晚期拉丁语，给定形式为cometa， 以 cometa 的形式出现于老式英语， 这就是我们单词comet 的最早英语原形 〔tail〕The long luminous stream of gas and dust forced from the head of a comet when it is close to the sun.彗尾：一颗彗星距太阳最近时从其头部吹向尾部的长长的发光气体和尘埃流〔comet〕A celestial body, observed only in that part of its orbit that is relatively close to the sun, having a head consisting of a solid nucleus surrounded by a nebulous coma up to 2.4 million kilometers (1.5 million miles) in diameter and an elongated, curved vapor tail arising from the coma when sufficiently close to the sun. Comets are thought to consist chiefly of ammonia, methane, carbon dioxide, and water.彗星：一种天体，仅能在它比较接近于太阳的那一部分轨道才能看到，有一个包括固体核、由直径达到两千四百万公里（一千五百万英里）的星云状的彗发围绕的头部 ，当足够接近太阳时一个拉长的曲线气尾从彗发升起。人们认为彗星主要有氨、甲烷、二氧化碳和水构成〔Halley〕English astronomer who applied Newton's laws of motion to predict correctly the period of a comet (1705).哈雷，埃德蒙：(1656-1742) 英国天文学家， 1705年运用牛顿的运动定律准确预测了一颗彗星的出现周期〔recover〕"watching the comet since it was first recovered—first spotted since its 1910 visit"(Christian Science Monitor)“自从这颗彗星于1910年被首次发现后，这是我们第一次能在观察到它的踪迹”(基督教科学箴言报)〔fear〕The appearance of a comet caused universal dismay in the ancient world.在古代，彗星的出现引起普遍的恐慌。 |
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