空中交通管制员 kōngzhōngjiāotōngguǎnzhìyuán air traffic controller Origin Definitions Defs Strokes Stroke Words Sentences Sents 空中交通管制 kōngzhōngjiāotōngguǎnzhì air traffic control The system or process of managing and directing aircraft in flight and on the ground to ensure safety员 員 yuán affixnoun personnel (bound form) person engaged in a particular profession or activity