我们真的从霍格·沃茨的大门中穿过，进入那个有台阶通往活动楼梯的入口，进入大礼堂。

We actually walked through the doors of Hogwarts, into the entry way with the steps leading to the moving staircase and through the doors into the Great Hall itself.

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她通过去健身房，和自行车小组一起骑车，徒步旅行，上班时不坐电梯而是走楼梯来增加了自己的活动量。

She increased her activities by going to the gym, riding with a biking group, hiking and taking the stairs instead of the lift at work.

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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。

Daily activities, such as walking up a short flight of stairs or carrying a suitcase, can become very difficult as the condition gradually worsens.

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A new addition to this as well is the fact that you see the figure climbing the stairs, which connotes the importance of physical activity.

这里还有一个新增加的东西,那就是你可以看到一个在爬楼梯的人影,这暗示着体育活动的重要性

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选