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Marathon
02
马拉松, 长期艰苦的努力
any long and arduous undertaking
marathon
n
例子
The runner finished the marathon with a blistering sprint in the final stretch.
The vigorous athlete completed the marathon with determination and stamina.
The trim athlete easily completed the marathon with impressive speed.
The marathon had ten thousand runners this year.
The marathon attracted thousands of competitors from around the world.