first finger
US /ˈfɜːrst ˈfɪŋ.ɡər/
UK /ˈfɜːrst ˈfɪŋ.ɡər/

1.
食指
the finger next to the thumb; the index finger
:
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Point with your first finger to show me where it is.
用你的食指指給我看它在哪裡。
•
She wore a ring on her first finger.
她把戒指戴在她的食指上。
食指
the finger next to the thumb; the index finger