它们挂在枝头（由此而得“巫婆的灯笼裤”之名），需要数百年才能分解，它们助长石油需求，正是石油用于制造塑料。

They get caught in trees (hence the epithet "Witches' Knickers"), take hundreds of years to decompose and push up demand for oil, used to make plastics.

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在60岁左右，“肌肉真的开始分解，”一位研究衰老的研究员凯瑟琳·斯塔尔说，“也正因为如此，老年人对蛋白质的需求实际上增加了。”

At around age 60, "muscles really start to break down," say Kathryn Starr, an aging researcher, "and because of that, the protein needs of an older adult actually increase."

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您现在可以使用流程分解结构来驱动需求指定的方式。

You can now use the process decomposition structure to drive how requirements are specified.

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