慢速英语:Using the Brain to Move a Robotic Arm

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短语讲解：

1. She has not been able to move her arms, legs or speak sincesuffering a stroke nearly fifteen years ago.

be able to 能够
例句：I believe he is able to tell the true from the false. 
我相信他能辨别真伪。 

2. The American woman is one of two people who took part in aresearch project known as BrainGate2.

take part in 参加
例句：Are you going to take part in the first experiment?
你们会参与首次实验吗?

3. A video of the latest experiment shows Cathy Hutchinson usingthe robotic arm to pick up a cup of coffee.

pick up 拾起
例句：The boy picked up the hat for the old man.
男孩替老人拾起了帽子。

4. The research team carried out almost two hundred tests with twodifferent robotic arms.

carry out 实现
例句：She had finally carried out her promise to quit smoking.
她最终实现了戒烟的诺言。