A traditional prosthetic hand would have cost up to 10,000 dollars.

正常情况下，价值的成本大概1万美元左右。

Everything from prosthetic hands used by amputees to an improvising robotic marimba player is part of it.

从残疾人的义肢到机器马林巴琴都可以用作乐器。

Dennis Aabo lost his hand to fireworks nine years ago. Since then, he has used a prosthetic hand.

丹尼斯·阿博9年前因烟花失去一只手，自此他一直使用假手。

He's able to react, and this is something that today's prosthetic hand is unable to achieve yet.

他能做出反应，这是今天的假手无法做到的。

Scientists believe that with further advances of so-called shape memory alloys, it will be possible to build more natural-looking prosthetic hands.

科学家认为，随着这种形状记忆合金的进一步发展，我们就可能制造出具备更自然外观的假手。

That means the ideal prosthetic hand should be able to move and feel at the same time.

这意味着理想的假手应该能够同时移动和感觉。

Prosthetic hands used to just be either a hook or they could just open and close and they have one degree of freedom, one thing they can control.

假手过去只是一个钩子，或者可以只是打开和关闭，他们有一个自由度，可以控制一件事。