运营 yùnyíng HSK7 operation Origin Definitions Defs Strokes Stroke Words Sentences Sents 运营商 yùnyíngshāng carrier a company providing telecommunications, internet, or mobile network services运营总监 yùnyíngzǒngjiān COO chief operating officer (COO)首席运营官 shǒuxíyùnyíngguān chief operating officer chief operating officer (COO)