A Forefinger食指
Use Forefinger用食指
forefinger r食指
forefinger opposition姆指对向动作
forefinger E食指
Forefinger Point拇指角
dorsum of forefinger食指背侧
thumb forefinger opposition姆指对向动作
N-COUNT（可数名词） Your forefinger is the finger that is next to your thumb. 食指
He took the pen between his thumb and forefinger.
他用拇指和食指夹起笔。