So, literally earlier today when I was on my way to campus I emerged from the Harvard Subway Station and I was about to exit the station up the stairs when I noticed this older woman who was standing by one of these things.

今天早些时候，在我从哈佛地铁站,到学校的路上,我即将走出地铁站，上楼梯时,我注意到一个老太太站在,这样的东西旁边。

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you know, grind that ledge or do that rail or jump those stairs.

噢，滑窗台，走栏杆或者跳楼梯。

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Whether you take the elevator to the top of the Hancock Tower or whether you walk up the stairs, the change in gravitational potential is identical.

不管你是乘电梯,去大厦的顶层,或者是步行，重力势能的变化是相同的。

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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

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You need to walk down the stairs and then up the stairs.

要被迫上下楼。

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You know, they have stairs going between the apartments.

在公寓之间，他们有楼梯。

上东区的房子 - SpeakingMax英语口语达人

He saw her from the bottom of the stairs Before she saw him.

他在楼下看着她,在她看到他之前。

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