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 .
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