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- 你查询的单词是：radioactivity （[ 'reidiəuæk'tiviti ]）
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- 解释： n. 放射性
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- 例子： 1. Relating to or caused by radioactivity.
放射产生的关于放射性的或由放射性引起的
2. Russian-born American nuclear physicist known for his work on radioactivity and genetic information as well as his books popularizing theories of physics.
伽莫夫，乔治1904－1968俄国裔的美国核物理学家，因在射线遗传信息方面的研究和有关普及物理理论的书籍而闻名于世
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