霍金只能借助电脑语音合成器来讲话，他患有神经性肌肉萎缩症，并且症状逐年加重，直至几乎完全瘫痪。
Hawking, who is only able to speak through a computer-generated voice synthesizer, has a neuro muscular dystrophy that has progressed over the years and left him almost completely paralyzed.
ALS让人们的肌肉变得硬化，对于此类病人，他们活动困难，斯蒂芬·霍金就是其中一个病人。
The ALS makes people's muscle become hard, it is hard for the patients to move, Stephen Hocking is one of the patients.
霍金只能借助电脑语音合成器来讲话，他患有神经性肌肉萎缩症，并且症状逐年加重，直至几乎完全瘫痪。
Hawking, who is only able to speak through a computer-generated voice synthesizer, has a neuromuscular dystrophy that has progressed over the years and left him almost completely paralyzed.
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