Then they narrowed in on two genes that had the strongest age-related correlation.

之后，科学家们把范围缩小在两个与年龄相关性最强的基因上。

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Then they narrowed down to which family it was then which household then which man.

然后他们又从宗族查到家室， 最后是个人。

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Through soft smoke, they narrowed their eyes, looking for some kind of possibility anxiously.

透过冉冉升起的烟雾，眯缝着眼睛，焦急的寻觅着某些可能。

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This week, the Obamas said they had narrowed their dog search to two kinds.

VOA: special.2009.01.16

They narrowed their search to three boys and in few days said they had located Emmanuel.

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They narrowed the ideas to five, including a location-based photo sharing app, but none really stood out as a winner.

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They narrowed the possible sightings down to a short list of seven and the images were taken down to Stevenage, Hertfordshire, to be shown to Miss Wright's parents.

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