opus
noun [ C ] uk/ˈəʊ.pəs/ us/ˈoʊ.pəs/ opuses or specialized opera
music specialized (written abbreviation Op.)（由某一作曲家创作、按发表顺序编号的）音乐作品;编号作品
a piece of music written by a particular musician and given a number relating to the order in which it was published
Carl Nielsen's Opus 43 quintet 卡尔‧尼尔森的第43号五重奏曲
formal艺术作品
any work of art
He showed us his latest opus, a truly awful painting of a vase of flowers. 他给我们展示了他的最新作品——一幅画有一瓶花的相当糟的油画。