英语词汇“x-ray astronomy”是什么意思，“x-ray astronomy”的读音、用法及例句翻译-乐坝网

词汇	x-ray astronomy
释义	x-ray astronomyn.（名词） The branch of astronomy that deals with the properties of celestial bodies as indicated by the x-rays they emit.X射线天文学：天文学的分支学科，它利用天体放射的X光来研究天体的特性
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