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	rhamnalesses rhamnazin rhamnetin rhamni rhamninose rhamnitol rhamnonic acid rhamnose rhamnoses rhamnuses rhamnusses rhamph- Rhamphastidae Rhamphastos rhampho- rhamphoid rhamphorhynchid rhamphorhynchoid Rhamphorhynchus rhamphotheca rhamphothecas rhap rhapes rhaphae rhaphe

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