free radical

US 
UK 
  • n.自由基;游离基
  • Web氧自由基;对抗自由基;自由基或游离基
Plural Form:free radicals  
free radical
n.
— see also
antioxidant
1.
自由基;游离基an atom or group of atoms that has an electron that 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.

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