单词	Coalsack
释义	Coalsack /ˈkəʊlsak / Astronomy A dark nebula of dust near the Southern Cross that gives the appearance of a gap in the stars of the Milky Way.
随便看	fpl fpm FPO fps f.p.s. FPU Fr fr. Fra frabjous frabjously fracas frack fracker fracking fractal fraction fractional fractional distillation fractionalise fractionalization fractionalize fractionally fractionate fractionating column

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