英语词汇coalsacks怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	coalsacks
释义	Coalsack['kəulsæk] n.【天文学】煤袋(银河中的两个大黑点区) [亦作 Coal Sack, 亦称作 Southern Coalsack] coalsack['kəulsæk] n.装煤的口袋
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