1、someday英[ˈsʌmˌdeɪ]美[ˈsʌmˌdeɪ],adv.(將來的)某一天;有朝一日。
2、[例句]I solemnly vowed that someday I would return to live in Europe我鄭重發誓,總有一天我將回到歐洲生活。