单词	coalfish
释义	coalfish noun coal·​fish ˈkōl-ˌfish  : any of several blackish or dark-backed fishes (such as a pollack, cobia, or sablefish) Word History First Known Use 14th century, in the meaning defined above
随便看	keep (someone or something) back keep (someone or something) going keep (someone) at it keep (someone) guessing keep (someone) in his/her place keep (someone) on his/her toes keep (someone) posted keep (something) under one's hat keep (to) keep a civil tongue keep a close check on keep a close eye keep a close watch keep a close watch over keep a close watch/eye keep a cool head keep a diary keep a level head keep a lid on keep a lookout for keep a rein on keep a secret keep a sharp eye on keep a straight face keep a watch out for

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