And bacteria, primitive forms of life, have been seen there.
细菌——一种原始的生命形式——在那里被发现。
Was there a sudden change in the viruses and bacteria around?
周围的病毒和细菌是否突然发生了变化?
After the death of an organism, the soft tissue is ordinarily consumed by scavengers and bacteria.
有机体死亡后,其软组织通常被清道夫和细菌所吞噬。
The Royal Swedish Academy says the DNA in cells contains the designs for how people, plants and bacteria look and operate.
VOA: special.2009.12.08
So, not just a spectrum of viruses, but there's viruses and bacteria and parasites and other microorganisms that can cause disease.
所以,不是只有病毒,还有病毒,细菌,寄生虫,和其它各种微生物都能导致疾病
The study of immunology is the study of mechanisms that your body uses to protect itself from mainly from foreign pathogens like viruses and bacteria.
免疫学研究身体,采用何种机制来保护自身,免受外源病原体如病毒和细菌的伤害
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