| 释义 |
Coalsack Coal.sack AHD: [k½l“s²k”] D.J. [6k*&l7s#k]K.K. [6kol7s#k]n.（名词）1. A dark nebula, one of the nearest to Earth, that appears in the southern Milky Way.煤袋：最接近地球的黑色星云之一，见于银河系南部2. A similar dark nebula in the Northern Hemisphere near the constellation Cygnus.黑色星云：北半球接近天鹅座的一种类似黑色星云 |