| 词汇 | free radical | 
| 释义 | free radical  noun [ C often plural ]  chemistry specialized uk/ˌfriː ˈræd.ɪ.kəl/ us/ˌfriː ˈræd.ɪ.kəl/  自由基,游离基 a molecule that has an extra electron and therefore reacts very easily with other molecules  Free radicals have been implicated in cancer and many other serious diseases. 游离基是罹患癌症和许多其他严重疾病的潜在原因之一。  | 
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