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【英语时差8,16】女灶神(下)

时间：2016-03-24 01:49:32

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（单词翻译）

Vesta is quite far away. Like many asteroids1, it has an orbit out between the orbits of Mars and Jupiter. Astronomers2 first spotted3 it when looking for a new planet they thought should exist between these two. As I said, Vesta is quite small–about three hundred and twenty-five miles across. So if it’s small and far away, how come we can see it from here? Vesta’s surface has a coating of pyroxine and olivine, two minerals that are actually also spewed up by volcanoes here on earth. They give it a whitish exterior4 that reflects well, making it just possible to see Vesta with your eyes, even when the only two larger asteroids, Ceres and Pallas, are completely invisible.


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1 asteroids d02ebba086eb60b6155b94e12649ff84     
n.小行星( asteroid的名词复数 )；海盘车，海星
参考例句：
  • Asteroids,also known as "minor planets",are numerous in the outer space. 小行星，亦称为“小型行星”，在外太空中不计其数。
  • Most stars probably have their quota of planets, meteorids, comets, and asteroids. 多数恒星也许还拥有若干行星、流星、彗星和小行星。
2 astronomers 569155f16962e086bd7de77deceefcbd     
n.天文学者，天文学家( astronomer的名词复数 )
参考例句：
  • Astronomers can accurately foretell the date,time,and length of future eclipses. 天文学家能精确地预告未来日食月食的日期、时刻和时长。 来自《简明英汉词典》
  • Astronomers used to ask why only Saturn has rings. 天文学家们过去一直感到奇怪，为什么只有土星有光环。 来自《简明英汉词典》
3 spotted 7FEyj     
adj.有斑点的，斑纹的，弄污了的
参考例句：
  • The milkman selected the spotted cows,from among a herd of two hundred.牛奶商从一群200头牛中选出有斑点的牛。
  • Sam's shop stocks short spotted socks.山姆的商店屯积了有斑点的短袜。
4 exterior LlYyr     
adj.外部的，外在的；表面的
参考例句：
  • The seed has a hard exterior covering.这种子外壳很硬。
  • We are painting the exterior wall of the house.我们正在给房子的外墙涂漆。

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