Read Edit View history 三叶星云 Sānyè Xīngyún Trifid Nebula Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 三叶星云/ 三葉星雲 Sānyè Xīngyún Trifid Nebula Trifid Nebula, M20 三叶星云位于人马座，是一个著名的恒星诞生地。 Edit Delete References Add reference No references for this word.