話務員中繼電路話務員中繼線operator: n. 1.操作者,機務員;司機,駕駛員;【軍事】電話兵; ...trunk: n. 1.樹干 (opp. branch); 軀干,身軀 ...trunk operator: 長途話務員; 市外話務圓operator trunk dialing: 話務員長途撥號方式trunk operator dialing: 長途話務員撥號下載手機詞典可隨時隨地查詞查翻譯