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.
那些在记忆测试中表现良好的人，其体内的免疫球蛋白A水平会升高。免疫球蛋白 A 是一种抗体，是人体抵御细菌的第一道防线。
Those who did well on the memory test had an increase in levels of immunoglobulin A, an antibody that's the body's first line of defense against germs.
鼻粘液是抵抗成千上万试图侵人人体的细菌的第一道防线。
Nasal mucus is the first line of defense against the millions of bacteria that constantly try to invade the body.
完整的皮肤是人体自然防御体系的第一道防线。
The complete skin is the first defensive line of the natural defensive system of human body.
完整的皮肤是人体自然防御体系的第一道防线。
The complete skin is the first defensive line of the natural defensive system of human body.
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