单词	chief master sergeant of the air force
释义	chief master sergeant of the air force noun phrase : the ranking noncommissioned officer in the air force serving as adviser to the chief of staff Word History First Known Use circa 1961, in the meaning defined above
随便看	put one out of action put one up to put one's back into put one's best foot forward put one's cards on the table put one's ducks in a row put one's feet up put one's finger on put one's finger on the pulse of put one's foot down put one's foot in it put one's foot in one's mouth put one's hands in the till put one's head above the parapet put one's heart into put one's imprint on put one's influence behind put one's mind to put one's mind to something put one's money on put one's money where one's mouth is put one's oar in put one's shirt on put one's skates on put one's stamp

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