ultra-running
US /ˈʌl.trəˌrʌn.ɪŋ/
UK /ˈʌl.trəˌrʌn.ɪŋ/
1.
超级马拉松, 超长跑
the sport or pastime of running races longer than the traditional marathon distance of 42.195 kilometers (26.2 miles)
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She has completed several ultra-running events, including a 100-mile race.
她完成了几项超级马拉松赛事，包括一场100英里赛。
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Ultra-running requires extreme endurance and mental toughness.
超级马拉松需要极端的耐力和精神韧性。