| 释义 |
free radicalBrE /ˌfriː ˈrædɪkl/ NAmE /ˌfriː ˈrædɪkl/ noun (chemistry化学) an atom or group of atoms that has an electronthat is not part of a pair , causing it to take part easily in chemical reactions . Free radicals in the body are thought to be one of the causes of diseases such as cancer 自由基；游离基 ➡ see also antioxidant (1 ) |