1·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。
—— 《柯林斯英汉双解大词典》
2·Clubbers will be asked to have their right index finger scanned and show picture identification to register on the system.
进入这些场所的人将被要求对其右手食指进行扫描，并且出示照片证明以登陆这一系统。
3·Susan: Because in Germany, the index finger means two.
苏珊：因为在德国，食指代表二。
4·The distance between the index finger and the thumb was estimated to be on average 69 per cent larger than the actual size of the participants’ hands.
关于食指与拇指之间的距离，估计值比参与者左手食指与拇指的实际距离平均要长69%。
5·"I've never used these for food," she said, kneading it between her index finger and thumb, a chef inspecting an unfamiliar piece of meat.
“我没用过这些食材，”她拿食指和拇指捏着，像位大厨检视不熟悉的肉片。