Once upon a time there was a doctor who was an expert at treating snakebites.
从前有位医生，十分擅长治疗蛇毒。
Each year around four hundred thousand amputations are the result of snakebites.
每年约有40万人因蛇咬伤的缘故而截肢。
Doctors and researchers say the world does not provide enough good treatment for poisonous snakebites.
医生和研究人员说，对于毒蛇咬伤世界上尚无充足的有效的治疗方法。
Doctors and researchers say the world does not provide enough good treatment for poisonous snakebites.
医生和研究人员说，对于毒蛇咬伤世界上尚无充足的有效的治疗方法。
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