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	gingerly gingeroles gingerols gingerrer gingerrest gingerroot gingerroots gingers gingers (up) gingers up gingersnap gingersnaps gingerspice gingery gingham ginghams gingilis gingillis gingiv- gingiva gingivae gingival gingivectomies gingivectomy gingivitis

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