noun 下载 🔗分享 超级马拉松,超马 A running race over a distance longer than 42.195 km, the length of a standard marathon. Examples : "Running a marathon is tough, but an ultramarathon is even harder because it covers a distance longer than a marathon. " 跑马拉松已经很辛苦了,但是超级马拉松(超马)更难,因为它比马拉松的距离还要长。 sport race achievement event 与AI对话词汇游戏阅读练习