Part Holonyms:light-year light year
Hypernyms:astronomy unit
Inherited Hypernyms:light hourastronomy unitlinear unitunit of measurementdefinite quantitymeasureabstractionentity
| 单词 | light hour |
| 释义 | Light Hour nnoun.quantitythe distance light travels in a vacuum in one hour; approximately one billion kilometers Part Holonyms:light-year light year Hypernyms:astronomy unit Inherited Hypernyms:light hourastronomy unitlinear unitunit of measurementdefinite quantitymeasureabstractionentity |
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