"The muscles manipulate the shaft of the motor like a finger and thumb would hold a pencil," says Dr Anderson.

安德森说：“这些肌肉操纵起电机的传动轴来就像我们用食指和拇指拿铅笔那样。”

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An electric pencil sharpener USES a toy motor as power and is composed of conic casing with tubular ends, multi-edge cutter for wooden part and a small abrasive wheel for lead core.

一种电动卷笔器，玩具电动机经齿轮减速装置与一中部为锥形，两端为空心圆筒的多刀刃卷笔刀筒机械连接。小砂轮套装在玩具电动机轴上。

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