Much of this damage is caused by free radicals: unstable molecules created when the body USES oxygen.
对这种损害是由于自由基：不稳定分子时创建的身体使用氧气。
Researchers know that unstable molecules called free radicals can damage your cells' DNA, upping the risk of cancer.
研究者知道被称为自由基的不稳定分子能破坏你的细胞dna，增加得癌症的概率。
Free radicals produced by many biochemical processes or toxic substances, such as chemicals, pesticides, heavy metals etc, are unstable molecules that have an electron missing.
阿自由基产生的许多生化过程或有毒物质，如化学品，农药，重金属等，都是不稳定的分子，有一个电子失踪。
The energy absorbed by the chlorophyll molecules of the unstable autumn leaf is not immediately channelled into useful products and processes, as it would be in an intact summer leaf.
不稳定的秋叶叶绿素分子吸收的能量，不会像在完好的夏叶中吸收的能量那样立即传输到有用的产品和工艺流程中去。
Choose a moisturizing eye cream that contains vitamins a, k, and C. vitamin a is an antioxidant that breaks down unstable oxygen molecules that would otherwise harm your skin.
维生素a是一种可以分解对皮肤有害的不稳定的氧分子的抗氧化物。
Retinol. As an antioxidant, retinol neutralizes free radicals such as unstable oxygen molecules that cause wrinkles.
视黄醇是一种抗氧化剂，它能中和自由基，比如说像不稳定的可以引起皱纹的氧自由基。
Retinol. As an antioxidant, retinol neutralizes free radicals such as unstable oxygen molecules that cause wrinkles.
视黄醇是一种抗氧化剂，它能中和自由基，比如说像不稳定的可以引起皱纹的氧自由基。
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