Synset:light-year
Hypernyms:astronomy unit
Inherited Hypernyms:light yearastronomy unitlinear unitunit of measurementdefinite quantitymeasureabstractionentity
Part Meronyms:light hour light minute light second
| 单词 | light year |
| 释义 | Light Year nnoun.quantitythe distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers Synset:light-year Hypernyms:astronomy unit Inherited Hypernyms:light yearastronomy unitlinear unitunit of measurementdefinite quantitymeasureabstractionentity Part Meronyms:light hour light minute light second |
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