1、someday英[ˈsʌmˌdeɪ]美[ˈsʌmˌdeɪ],adv.(将来的)某一天;有朝一日。
2、[例句]I solemnly vowed that someday I would return to live in Europe我郑重发誓,总有一天我将回到欧洲生活。