| 单词 | free radical |
| 释义 | free radical Word forms: free radicals countable noun [usually plural] Free radicals are atoms that contain one or more unpaired electrons. Free radicals are believed to be a cause of ageing, heart disease, and some cancers. [technical] This helps to protect cells from damage caused by free radicals. Collocations: free-radical damage The antioxidants are claimed to help to fight free-radical damage and help prevent fine lines. The Sun In beauty products, this antioxidant also slows the rate of free-radical damage. The Sun She says that sleep also releases melatonin, a sleep-inducing hormone and powerful antioxidant, which may neutralise free-radical damage generated during the day. Times, Sunday Times And so, the link was made that, as those diseases are associated with free-radical damage, it must be the antioxidants in the fruit and veg doing the protecting. Times, Sunday Times High in antioxidants, avocados can protect the skin from free-radical damage. Times, Sunday Times |
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