汉英词典
MEANING OF 天文单位
EXAMPLE SENTENCES | ||
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地球也是一个,因为我们用天文单位。 For the Earth, it is one because we work in astronomical units. | ||
一个天文单位是地球与太阳之间的距离。 An astronomical unit is the distance between Earth and our sun. | ||
一个天文单位等于地球到太阳之间的距离。 One astronomical unit is the distance between the Earth and the sun. | ||
它可能会在距离太阳3万个天文单位的地方被发现。 It could be found up to 30,000 astronomical units from the sun. | ||
他们发现围绕星体的碟状物质直径大约130天文单位(120亿英里)。 They found the star to be surrounded by a so-called circumstellar disk measuring some 130 astronomical units (12 billion miles) across. | ||