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Tower top, not by a wood also.

大厦将颠，非一木所支也。——王通。

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A twenty-foot steel pyramid is to be hoisted into position on top of the tower.

一座20英尺高的钢制金字塔将被吊到塔顶该放的位置上。

《柯林斯英汉双解大词典》

At the top,you follow a short path to a stone-and-steel observation tower.

VOA: special.2009.07.20

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

Most New Yorkers at the time didn't know there were residential studios in a tower on top of the building.

WSJ: Architects' Fussiest Clients

It said contractors were on site refurbishing the tower's top two floors so it could reopen in mid-November.

BBC: Swansea's tower restaurant reopening

The residential and hotel tower, expected to top more than 2, 000 feet, is part of a complex.

FORBES: World's Tallest Towers