单词	chain of command
释义	chain of command noun phrase : a series of executive positions in order of authority a military chain of command Word History First Known Use 1825, in the meaning defined above
随便看	undergrove undergroves undergrow undergrowing undergrown undergrows undergrowth undergrowths undergrowwing underhair underhand underhanded underhandedly underhandedness underhandednesses underhanging underharvest underhew underhive underhold underhole underhook underhoused underhousemaid underhung

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