资料来源 : WordNet®

long ago
     adv : of the distant or comparatively distant past; "We met once
           long ago"; "they long ago forsook their nomadic life";
           "left for work long ago"; "he has long since given up
           mountain climbing"; "This name has long since been
           forgotten"; "lang syne" is Scottish [syn: {long since},
            {lang syne}]