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。

麻省理工公开课 - 固态化学导论课程节选

If you go to the very top of Kearny, there's Coit Tower up on the hill there. That's really cool.

如果你走到干尼街的尽头，就会看到山顶上的科伊特塔。那里很棒。

旧金山的热点 - SpeakingMax英语口语达人