氧化过程是人体的第一道防线，氧气是大自然自己的“秘密武器”预防感染。
The oxidation process is the body's first line of defense against infections. OXYGEN is Nature's own "secret weapon" against every sort of bacteria, fungus and virus.
氧化过程是人体的第一道防线，氧气是大自然自己的“秘密武器”预防感染。
The oxidation process is the body's first line of defense against infections. OXYGEN is Nature's own "secret weapon" against every sort of bacteria, fungus and virus.
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