科学家本想寻找一种治疗天花的特效药，但他们没有成功。
Scientists had intended to find a cure for smallpox, but they got nowhere.
科学家本想寻找一种治天花的特效药，但他们没有成功。
Scientists had intended to find a cure for smallpox, but they got nowhere.
科学家本来想寻找一种治疗天花的特效药，但他们没有成功。
Scientists had intended to find a cure for small pox , but they got no where .
英国医生爱德华·詹纳放弃寻找特效药，靠找到一种预防天花的办法征服了这一疾病。
Edward Jenner, a British physician, abandoned the quest for a cure and conquered the disease by finding a way to prevent it.
英国医生爱德华·詹纳放弃寻找特效药，靠找到一种预防天花的办法征服了这一疾病。
Edward Jenner, a British physician, abandoned the quest for a cure and conquered the disease by finding a way to prevent it.
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