英语词汇astronomical unit怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	astronomical unit
释义	astronomical unitn. a unit of measurement in astronomy equal to the mean distance from the centre of the earth to the centre of the sun, 1.496 × 10¹¹ metres or 92.9 million miles 天文单位(地球与太阳间的平均距离，约为 9,290 万英里)
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英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。