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N-COUNT Your index finger is the finger that is next to your thumb. 食指
He suffered a hairline fracture of the right index finger.
他的右手食指上出现一处丝状骨折。
Wrap a rubber band from your index finger to your pinky and move your index finger away from the other fingers.
把你的食指和小指用橡皮筋绑在一起,然后把食指从其他手指间移开。
Despite having a brain no bigger than the tip of your index finger, pigeons have a very impressive visual memory.
尽管鸽子的大脑只有人的食指尖那么大,但它们的视觉记忆力却非常惊人。
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
The longer the ring finger and the shorter the index finger, the greater the testosterone exposure.
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
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