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Xenon [英] [ˈzenɒn] [美] [ˈzenɑn] [名] 氙(元素符号为Xe) 词频排名 22618/55435 学习人数 124 难度等级 1/10 认知比例 52.17% 例句 That xenon could not FORM chemical compounds was once believed by scientists. 科学家曾相信:氙气是不能形成化合物的。 That Xenon could not form chemical compounds was once believed by scientists. 科学家曾相信:氙气是不能形成化合物的。 Xe for xenon Xe代表氙 助记 联想 "来自希腊语 xenos, 客人,陌生人,其发现者苏格兰化学家 William Ramsay 因这种元素发现困难而命名。比较 krypton,dysprosium." 希腊语外国人ξένοι→拉丁转写xenoi
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