coalsack
/'kol,sæk/ /ˈkolˌsæk/
n. 
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cholecystitis, cholecystnephrostomy, cholecystocele, cholecystocolostomy, cholecystocolotomy, cholecystoduodenostomy, cholecystogastrostomy, cholecystography, cholecystojejunostomy, cholecystokinetic,
相似单词
coalmine, coal-mining, coalpit, coalplex, Coalport, coalsack, coal-ship, coal-tit, co-altitude, coal-whipper,