The robotic hand is controlled by compressed air, varying the strength of its grip without the use of other motors, in the same way human grip relies on elastic ligaments to help the fingers curl.

这机器人的手，是由压缩空气来控制的，握力的变化不是依靠另外的马达，类似于人的手依靠有弹性的韧带来带动手指的伸屈。

youdao

See, if your field was conservative — 0 if a curl was zero then the right-hand side would just be zero.

如果场是保守的-，如果旋度是0，那么右手边的结果也会是。

youdao

Her long fingers curl easily around my hand and I nod my head slowly, smiling.

她那细长的手指很轻易地就拢住了我的手，我微笑着慢慢点了点头。

youdao

Carey stepped up to curl a spectacular effort into MacDonald's top left-hand corner just before half-time.

BBC: St Mirren goalscorer Graham Carey

But Everton had other ideas and after they were awarded a free-kick on the edge of area, Baines stepped up to curl a delightful set-piece into Cech's top left-hand corner.

BBC: Chelsea 1-1 Everton (aet)

Having been shown a yellow card, rather than a red, Kiraly retreated to his line, only to see Arteta curl a superb free-kick over the wall and past his dive into the top left-hand corner.

BBC: Everton 4-0 Crystal Palace