The findings contradict the long established belief that the amount of sleep we need falls as we approach middle and old age.

这项研究反驳了长期以来的观点，即随着年龄的增长，我们需要的睡眠时间会变短。

youdao

Yesterday afternoon, a forum post titled “Elderly falls in the middle of the street, many passerby do not dare to help” appeared on Xinghua City 400 (400.com.cn) website.

昨天下午，一则名为“老人跌倒在路中，许多行人却不敢伸出援手”出现在兴化市400.com.cn上。

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The Middle East and North Africa, for instance, already USES 80 percent of the water that falls in the region, according to a new World Bank report, "Making the Most of Scarcity."

例如，中东和北非地区的水资源用量已达到该地区总量的80%，世界银行新发布的一份报告——《竭力解决缺水问题》表示。

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While Washington praised Mr.Netanyahu's gesture as a step forward, US Middle East envoy George Mitchell acknowledged the plan falls short.

VOA: standard.2009.11.26

We know that it has to be equal to less than 2, because even if we had absolutely no shielding at 2 all, the highest z effective we could have is 2, so it makes perfect sense that we have a z effective that falls somewhere in the middle of those two.

我们知道它必须小于，因为即使完全没有一点屏蔽,最高的有效的z是，所以我们得到的有效电荷量处于,两者之间就非常讲得通了,让我们来看看另一个例子。

麻省理工公开课 - 化学原理课程节选

That's how witnesses described feeling after three people slipped into the foamy waters of the Big Sioux River, in the middle of a Sioux Falls park.

CNN: March 16, 2013 -- Updated 0041 GMT (0841 HKT)

But January's run-off falls in the middle of Chile's summer holidays.

ECONOMIST: Chile’s centre-left, disconcerted in victory | The

Mr. Beitler says the retailer sees brides who throw two weddings so that their wedding day coincides with a special date that falls in the middle of the week, with a second wedding on a weekend.

WSJ: Two Weddings: Etiquette Advice for Bridal Couples Having Two Ceremonies and Receptions