音标:['bəuə; 'əɡəni:ls] ;
玻尔(1922~ ,丹麦物理学家,与另二人共获1975年诺贝尔物理学奖)

It was while puzzling over this problem that Bohr was struck by a solution and dashed off his famous paper. Called On the Constitutions of Atoms and Molecules, the paper explained how electrons could keep from falling into the nucleus by suggesting t

发表于:2019-02-17 / 阅读(82) / 评论(0) 分类 万物简史
学英语单词