Read Edit View history 宇宙射线 yǔzhòushèxiàn cosmic ray Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 宇宙射线/ 宇宙射線 yǔzhòushèxiàn cosmic ray 宇宙射线对宇航员的健康有潜在威胁。 Edit Delete References Add reference No references for this word.