n.职责，责任；义务；职责或工作；税收 变形： 复数：duties 双语释义：n.(名词)[C][U]责任; 义务; 本分; 道德上的义务 what one must do either because of one's job or because one thinks it right; moral obligation[C]税收tax英英释义： duty[ 'dju:ti, 'du:- ]n.work that you are obliged to perform for moral or lega