The discovery, Woodruff said, will enable researchers to understand how nurse cells (granulosa cells), the cells that support and surround the maturing egg, communicate with the egg.

伍德乐夫说，这项发现能使研究员们了解营养细胞（颗粒细胞），也就是支撑和环绕逐渐成熟的卵的细胞，如何与卵细胞联系。

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"It's tremendously rewarding to take a stressed baby and work with that baby until that baby is feeling better or sleeping, " Woodruff said.

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In an interview with CNN's Judy Woodruff, McCain said it never gets done because members of Congress don't want it to get done.

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On Good Morning America Monday, ABC News President David Westin said Woodruff sought to spend more time in Iraq because he was a reporter at heart.

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