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He swam down and retrieved his glasses from the muck and slime at the bottom of the pond.

他潜下水去，从池塘底部的烂泥污物中找回了眼镜。

《柯林斯英汉双解大词典》

So here we have energy increasing on the y-axis, and you see this straight line at the bottom here is lower down on the graph, and that's the energy of a bound electron, so that's going to be a low stable energy.

这里我们看到能量沿着y轴增加，而且在这张图片上,这条直线在底部是降低的，那是一个束缚电子的能量，所以那是一个低稳态能量。

麻省理工公开课 - 化学原理课程节选

A guy named Seth Klarman, who works at a fund in Boston called Baupost, said that what he does is worries top-down and invests bottom-up.

他叫塞斯·克拉曼,在波士顿的Baupost基金工作,他说他的工作就是自上而下地担心,自下而上地投资

耶鲁公开课 - 金融市场课程节选

Kid is Duncan Pinderhughes, a wonk who doffs his bottom-down collars when a school administrator accidentally switches his identity with that of Blade Brown (Play), a stylish, incorrigible homeboy.

NEWYORKER: Class Act

The fact is, as Kevin Drum notes, most systems are a mixture of top-down and bottom-up planning and competition.

FORBES: The Difference Between School Choice and Healthcare Vouchers

To facilitate links between local, regional and global levels, and harmonizing top-down and bottom-up approaches whilst taking into account social issues.

UNESCO: UNITWIN