America's education system has become less a ladder of opportunity than a structure to transmit inequality from one generation to the next.

美国的教育体制不再是通往机遇的阶梯，而是一个将不平等代代相传的体系。

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My arms and legs pumped as I tried to climb a ladder of air, back to the board.

当我试着沿空中梯子爬回到木板时，我的胳膊和腿快速上下摆动着。

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Sir Terry repeatedly emphasises the importance of building a ladder of mobility from the shop floor to the CEO's suite.

特里爵士反复强调建立从底层员工到CEO团队的升迁渠道。

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It's a ladder used to ascend a tree, it's a kind of tool of ascent that's a kind of a tool for getting fruit.

这是用来爬上树的梯子，是一种上升的工具,也是用来摘果子的。

耶鲁公开课 - 现代诗歌课程节选

It's a twisted ladder and there's a couple of things to notice about this familiar structure.

它犹如扭曲的梯子,对于这众所周知的结构有几件事必须注意

耶鲁公开课 - 生物医学工程探索课程节选

The backbone's on the outside of the molecule like the upright struts of a ladder on the outside of a ladder.

主链位于DNA分子结构外侧,像梯子两侧上下的支柱,记住是梯子外侧

耶鲁公开课 - 生物医学工程探索课程节选

There is always a ladder of analogies that takes us from the familiar to the new.

WSJ: Book Review: Surfaces and Essences

Manipulators use the above example of a ladder of supporting bids to absorb sell orders and serve as a cushion against any selling pressure.

FORBES: 'Da Big Kahuna' Wipes Out On Stock Manipulation Ladder

He splashed over to the foot of the stairs and looked up at a ladder of water coming down, a scrim of ice on the edges like a mountain stream.

NEWYORKER: Idols