问题描述：
改错The Bunsen burner is so named because it is thought to be invented bu Robert Bunsen,who was Ger
The Bunsen burner is so named because it is thought to be invented bu Robert Bunsen,who was German by birth.
The Bunsen burner is so named because it is thought to be invented bu Robert Bunsen,who was German by birth.
问题解答：
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