名詞 operetta:

1. a short amusing opera
   同義詞：light opera

op.e.ret.ta

n.Music （名詞）【音樂】
A theatrical production that has many of the musical elements of opera but is lighter and more popular in subject and style and contains spoken dialogue.Also called light opera
輕歌?。阂环N歌劇性的、具有許多音樂成分的戲劇性作品，它輕快活潑，而且在主題和風格方面更加通俗，其中包含口語也作 light opera

來源：
Italian [diminutive of] opera [opera] * see opera
意大利語 [] opera的小后綴 [戲劇] *參見 opera