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While Stella napped, Sally would clean her home in Jackson, New Jersey, wiping down doorknobs and light switches.

史黛拉打盹的时候，莎莉会打扫她在新泽西杰克森的家，擦拭门把手和电灯开关。

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Instead of making a clean break, water evaporating from treetops tugs on the remaining water molecules, with that tug extending from molecule to molecule all the way down to the roots.

从树梢蒸发的水并没有彻底地分解，而是拉住了剩下的水分子，这种拉拽作用从一个分子延伸到另一个分子，一直拉到根部。

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Separated by razor wire from a busy road, it is a clean but slightly run-down patchwork of pastel-colored bungalows that house 70 orphaned, abandoned or abused children, from newborns to kids age 6.

FORBES: Magazine Article

Many other conversions have been slowed down by environmental clean-ups that have been more expensive and time-consuming than expected.

ECONOMIST: Shutting military bases

Crime scenes investigator Melanie Barlow, who examined Mr Bridger's home, said she recently reviewed pictures and noticed evidence of wiping down or a clean-up around the fireplace.

BBC: April Jones