食指
先理解核心含义，再看它在真实句子里的用法。
食指
the finger next to the thumb, used for pointing
She pointed at the map with her pointer finger.
她用食指指着地图。
食指
the finger next to the thumb, used for pointing
Use pointer finger naturally, then get feedback on meaning, tone, grammar, and phrasing.
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Dictionary facts from AI_SUPPLEMENT.