英语词汇sidereal year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	sidereal year
释义	sidereal year noun Astronomy the orbital period of the earth around the sun, taking the stars as a reference frame. It is 20 minutes longer than the tropical year because of precession. 【天文】恒星年。
随便看	bakeware Bakewell Bakewell tart baking powder baking soda Bakker bakkie baklava baksheesh Bakst Baku Bakunin balaclava Balaclava, Battle of balafon balalaika balance balanced balance of payments balance of power balance of trade balancer balance sheet balance tab balance wheel

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