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And those plans and commands descend down this spinal cord to drive the muscles in our arm, to guide the arm where we like it to go.
这些计划和指令沿着脊髓而下,驱动我们胳膊的肌肉，指挥我们的胳膊按意志活动。
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$firstVoiceSent
- 来自原声例句