| 释义 |
Coal·sack AHD[kōlʹsăk'] D.J.[ˈkəʊlˌsæk]K.K.[ˈkolˌsæk]n.（名词）- 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
- 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
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