名词
中文翻译：Unknown
同义词：
['ironman', 'ironman triathlon']
例句：
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1.The marathon is a popular event for athletesto showcase their strength and endurance.
马拉松是运动员展示力量和耐力的热门赛事。
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2. He has trained rigorously forthe ironman triathlon, hopingto achieve his goal of completing the racein under four hours.
他为了完成这项铁人三项赛，已经刻苦训练了很长时间，希望能够在四小时以内完成比赛。
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3. The ironman triathlonattracts participants from all over the world, showcasing their dedication and determination.
铁人三项吸引了来自世界各地的参与者，展现了他们的奉献精神和决心。