宇宙射线 yǔzhòushèxiàn cosmic ray Definitions Defs Origin Strokes Stroke Words Sentences Sents 宇宙 yǔzhòu noun universe the universe; cosmos; all existing matter and space considered as a whole射线 射線 shèxiàn noun ray (physics) A stream of high-energy particles or electromagnetic waves, such as X-rays or alpha rays.
