1.食指
1.the finger next to your thumb
1.Gently squeeze the outer lip between the thumb and index finger, and slide up and down the entire length of each lip.
在拇指和食指之间，温柔的挤压外阴唇，沿着每一片唇的长长唇瓣滑上滑下。
2.They then pided the length of the index finger by that of the ring finger - to calculate the child's digit ratio.
然后他们用食指的长度除以无名指的长度，计算出孩子们的手指率。
3."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。
4.Hold the front of the knot loosely with your index finger and bring the wide end down through the front loop.
用食指把打好的结弄松，然后把宽的一头穿过前面的环。
5.He hushed me with his index finger against his mouth.
他把食指贴在嘴上告诉我别做声。
6.The only callus on his thumb from all the text messaging he engaged in. There was also a dent on his index finger from where he wrote.
仅仅从那拇指上的老茧就可以暴露出他所从事的工作，他食指上拿笔的地方也有一块凹陷痕迹。
7.The cuff should make direct contact with your skin, but you should be able to easily fit your index finger between the cuff and your arm.
即时你要直接接触皮肤但你应该能够轻易食指适合你和你的手臂袖之间。
8.Application of the thumb, middle finger and index finger holding the cup feet, the little finger stationary on the bottom of the cup.
应用大拇指、中指和食指握住杯脚，小指放在杯子的底台固定。
9.Several studies have found that the shorter a man's index finger in relation to his ring finger, the more aggressive he's likely to be.
多项研究发现，男士的食指比无名指短得越多，他就更好斗。
10.unfortunately, some of the hot oil splashed on my left hand, burning the length of my index finger.
很不幸，几滴滚烫的油溅到了我的左手，我的整个食指都被烫伤了。