v.改善，提高( better的现在分词 )； 双语释义：adj.(形容词)较好的,更好的; 更准确的,更合适的 of a more excellent or desirable kind; of a more precise or suitable kind渐愈或痊愈的 partly or fully recovered from (usually an illness)adv.(副词)更好地 in more excellent manner更,较大程度地 more; to a greater degr