英语词汇ultramarathon怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	ultramarathon
释义	ul·tra·mar·a·thon /ˌʌltrəˈmærəθɒn/ n. 【体】超级马拉松(指赛程超过42.195千米的马拉松赛) ul·tra·mar·a·thon·er n.
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英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。