在一个活动里，小孩试图让机器人的手臂捡起一块积木并把它放在杯子里。
In one activity, children try to get a robot arm to pick up a block and place it in a cup.
跳水运动是在人跳入水中时，头和手臂先入水的运动。
Diving is the activity of jumping into water with your head and arms first.
有一个人还把书的作者J . K。罗琳的签名纹在了自己的手臂上。
One had author J. K. Rowling's autograph tattooed on his arm.
我的机器人有长手臂、有小脚。
我的机器人有长手臂、有小脚。
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