Definition
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hand
The hand is the prehensile, multi-fingered part of the human body, typically used for grasping and manipulating objects.
手是人类身体上具有抓握和操作物体功能的多指部分。
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She waved her hand to say goodbye.
她挥手告别。
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He injured his hand while playing football.
他在踢足球时伤了手。
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Please give me a hand with this heavy box.
请帮我搬这个重箱子。