一位穿着实验服的科学家正在给一群学生讲授化学实验，桌上有各种五颜六色的化学试剂
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一位穿着实验服的科学家正在给一群学生讲授化学实验，桌上有各种五颜六色的化学试剂
一位穿着实验服的科学家正在给一群学生讲授化学实验，桌上有各种五颜六色的化学试剂在实验室里，一位身着实验服的科学家正在给一群学生讲解化学实验。桌上摆放着各种五颜六色的化学试剂，有试管、烧杯等。这展现了充满教育意义的学习场景，凸显了 STEM 教育在课堂中的重要性。
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