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1.And runners braved 86 flights of stairs as they raced up New York's Empire State Building.
brave向……挑战
Farmers braved the winter cold to rescue the sheep.
农场主们顶着冬寒营救羊群。
2. And runners braved 86 flights of stairs as they raced up New York's Empire State Building.
flight of stairs一段楼梯
Daily activities, such as walking up a short flight of stairs or carrying a suitcase, can become very difficult as the condition gradually worsens.
随着病情的逐渐恶化，像爬一段较短的楼梯或提一个手提箱这样的日常活动，都会变得非常困难。
