Read Edit View history 河外星云 héwàixīngyún extragalactic nebula Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 河外星云/ 河外星雲 héwàixīngyún extragalactic nebula Edit Delete References Add reference same_as 河外星系/河外星系 → 河外星云/河外星雲 Edit Delete