noun 下载 🔗分享 马拉松，长跑。 A 42.195 kilometre (26 mile 385 yard) road race. Examples : "Many runners train for months to be able to complete marathons. " 许多跑者会训练好几个月，才能跑完马拉松。 sport race achievement event 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 马拉松，持久战. (by extension) Any extended or sustained activity. Examples : "He had a cleaning marathon the night before his girlfriend came over." 女朋友要来之前的那天晚上，他搞了一场清洁马拉松。 sport event achievement 与AI对话词汇游戏阅读练习
