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Rebecca949 发表于 2014-11-24 10:15

VOA慢速英语2014.11.23

[audio]http://sound.yywz123.com/tingbbs/voa/voa20141123.mp3[/audio]



From VOA Learning English this is the Health Report. 这里是美国之音慢速英语健康报道. Modern medicine mainly uses drugs to cure disease. But what if drugs were replaced with electricity? Pacemakers, small machines that doctors surgically place in the body, already use electric signals to help weak hearts beat right. 现代医学主要靠药物来治疗疾病.但如果药物被电能取代了呢?心脏起搏器--做外科手术时医生放置在人体内的小型仪器,它就是靠电信号来帮助微弱的心跳恢复正常的频率. _____________________. Simply walking down the street is a great gift for David Dewsnap. 对David Dewsnap来说,哪怕只是沿街散步,都算是给他最大的恩惠了.



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herman_liu76 发表于 2014-11-29 13:54

and now, scientists are using electricity on the brain to ease the affects of Pakinson disease.Parkinson's disease causes uncontrolable shanking or tramous.

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