...ing Advantage of Duty [辽宁警专学报 Journal of Liaoning Police Academy] 人体的第一道防线--皮肤 [解放军健康 PLA Health] 达州市乡镇畜牧兽医体制改革实践 [中国牧业通讯 China Animal Husbandry Bulletin] ..
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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.
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