红联英语单词
astronomical unit
astronomical unit什么意思,astronomical unit翻译
基本解释
na.: 天文单位
网络: 一个天文单位;天文距离单位;天文单位的意思
权威解释
天文单位(即地球中心与太阳的距离,约合 1.496 亿公里):
a unit of measurement equal to 149.6 million kilometres, which is the distance from the centre of the earth to the sun
英汉解释
天文单位〔地球至太阳间的平均距离〕
例句
Know astronomical unit and light year are used for expressing the distance between celestial bodies.
知道天文单位和光年是用来丈量天体之间距离的单位。
One astronomical unit is the distance between the Earth and the sun.
一个天文单位等于地球到太阳之间的距离。
The distance from the sun to earth is one astronomical unit.
太阳到地球的距离即为一个天文单位。
One astronomical unit is the distance between the Earth and the sun, about 93 million miles (150 million km).
一个天文单位是地球与太阳的距离,大约9300万英里(1.5亿公里)。