He held the ring between his thumbs and index fingers and started pulling it gently.

他用拇指和食指拿着这枚戒指开始轻轻的往外摘。

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Female index and ring fingers tend to be about the same length.

女性的食指与无名指的长度往往是大致相同的。

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A study published in 2001 of 304 English professional soccer players found they had a significantly larger ring-to-index-finger ratio than a control group of 533 other men.

2001年公布的一项研究发现，304名英国职业足球运动员的无名指和食指的比例要远远大于另外533名普通男人的手指比例。

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Those with ring fingers longer than index fingers did better on the math part of a standardized test than the reading part.

VOA: special.2009.02.25

And another British study reported last year that people whose index finger is shorter than their ring finger are at higher risk of osteoarthritis.

VOA: special.2009.02.25

A way to know how much is to compare their ring finger to their index finger.

VOA: special.2009.02.25

The main control surface is wide enough, in fact, that we could comfortably put three fingers on the top of the mouse, using the middle to control the mouse wheel and DPI sensitivity adjustment rocker (a nice touch in and of itself) without ever moving our index and ring finger from the all-important trigger buttons.

ENGADGET: Exclusive: Mad Catz Cyborg Rat 9 review

Children with Asperger's also had abnormal index-to-ring finger ratios, though less so than full-blown autistics.

ECONOMIST: Autism

They also estimated the students' exposure to the hormone before they were born by measuring the ratios of their index fingers to their ring fingers (a long ring finger indicates high testosterone exposure) and by measuring how accurately they could determine human emotions by observing only people's eyes, which also correlates with prenatal exposure to testosterone.

ECONOMIST: Women, testosterone and finance