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单词 astronomical unit
释义
Astronomical Unit
nnoun.quantitya unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers)
Synset:AU Astronomical Unit
Hypernyms:astronomy unit
Inherited Hypernyms:astronomical unitastronomy unitlinear unitunit of measurementdefinite quantitymeasureabstractionentity
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更新时间:2024/9/22 1:28:28