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	SK ska ska, re skaamoog skaapsteker skad skaddle skaffie skag skagens odde Skagerrak Skagit skagits skags Skagway skaif skail skailed skailing skails skain skair skait skaith skalawag

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