English: How many nocturnes are included in Chopin's Nocturnes, Op. 32?
translation: 蕭邦的夜曲Op. 32中包含多少次夜曲？
translation: 蕭邦的夜曲Op. 32 裡面有多少首夜曲
translation: 肖邦的夜曲Op. 32中包含多少次夜曲？
translation: 肖邦的夜曲Op. 32作品中包含了多少首夜曲？