单词	free of duty
释义	free of duty [经] 免税
随便看	two to one principle two-to-one ratio two to one rule two-tops two-torus two-to-three two to three suspension two touch two tower directional antenna two-tower directional antenna two-trace method two-trace oscilloscope two-track two-track recoding two-track recorder two-track recording two-track road two-tracks two track tape two-track tape two trailing shoe brake two-transducer flaw detector two-transit method two-tray thickener two-trunnion mill 行者让路行色匆匆行色怱怱行若无事行若狗彘行藏用舍行行出状元行行蛇蚓行踪无定行远升高卓有成效卓然卓立卓绝卓荦卓著卓裁卓见卓论卓识