When they did so, their middle fingers hurt a lot less than when they touched someone else's hand.

接触后他们发现，自己的手指互压时产生的痛感比与他人的手指互压产生的同感要少很多。

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Hold your right hand out and, using the index and middle fingers of your left hand, stretch between each as shown.

伸出你的右手，然后用左手的食指和中指按图示方法对右手的各个手指进行拉伸。

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Based on their similarity to the toes, the other two fingers in the bird wing were the index and middle fingers, the duo concluded.

两人得出相同结论，基于和脚趾间的相似比较，鸟类翅膀上的其余两趾对应应为人类的食指和中指。

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Now take these two fingers-- the middle finger and the thumb-- and as much as possible, from that 90 degree angle, create a circle.

再让这两个手指-,中指和姆指-,尽可能保持直角时围成一个圆圈。

哈佛公开课 - 幸福课课程节选

Mr Cesar Santos, 55, lost the index and middle fingers on his right hand whilst operating a lathe in February 2012.

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With a handful of people that I know and trust, a revived determination, and both middle fingers up in the air, I'm ready.

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He jested as the myriad of TV cameras converged on his expressions, gesticulating how fast he would run with two rapidly moving index and middle fingers.

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