单词 | Bunsen |
释义 | Word Frequency Bunsen(ˈbʌnsən, German ˈbʊnzən) noun Robert Wilhelm (ˈroːbɛrt ˈvɪlhɛlm). 1811–99, German chemist who with Kirchhoff developed spectrum analysis and discovered the elements caesium and rubidium. He invented the Bunsen burner and the ice calorimeter |
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