1、The operetta was a lighthearted and comedic production that entertained the audience.
这部轻歌剧是一场轻松、滑稽的演出，让观众们开怀大笑。
2、She had a beautiful soprano voice and often performed in operettas.
她有着美丽的女高音嗓音，经常在轻歌剧中演出。