One problem: the arm and hand have no sense of touch.

有一个问题是：现在的仿生胳膊和手没有触觉。

youdao

Sense of touch, vision and receptors in the muscles and joints help the brain keep track of the body.

触觉、视觉以及肌肉和关节上的接受器使大脑保持对身体的感知。

youdao

Australian researchers have shown that along with the sense of touch and vision, signalling receptors in the muscles and joints also play a critical role.

澳大利亚的研究者表示，除了触觉和视觉，肌肉和关节上的信号接受器也起到了重要作用。

youdao

All of Helen Keller's knowledge reached her mind through her sense of touch and smell, and of course her feelings.

VOA: special.2009.11.15

The disease especially affects the ability to see, the sense of touch and the use of the arms and legs.

VOA: special.2009.01.06

It is experience that can give a person a common touch and a sense of compassion, an understanding of how the world works and how ordinary people live.

CNN: Transcript of Obama-Sotomayor announcement

Interestingly, body based attention to touch sensations, and more generally the sense of touch, are disordered in chronic pain and IBS. And the disorder seems to be mediated by a cortical mechanism.

FORBES: Catherine Kerr on the Science of Meditation

"The players are comfortable with that, they don't have a problem at all but ultimately if it was touch and go, common sense would prevail and we wouldn't want to take any risk whatsoever, " he said.

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