meliorationn.
英 ,miːlɪə'reɪʃən | 美 ,miljə'reʃən
中文n. 改善
词根词源
melioration (n.)c. 1400, "improvement," from Late Latin meliorationem (nominative melioratio), noun of action from past participle stem of Latin meliorare (see meliorate).
关键词