课后发的信息卡也是我们家长的好帮手，例如在锻炼孩子的平衡能力时正确的方式是握住孩子的腋下而不是握住双手，这些都是非常宝贵的经验。
The tips and handouts given to parents to assist your child's development, such as holding their hands by their side instead of above their heads to help with their balance are invaluable.
他跪在她旁边，双手握住她的手。
科学家们推测，手指上的指纹可能有助于双手更好地握住东西。
Scientists made a guess that wrinkles on fingers might be able to help the hands hold things better.
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