过滤器是如何除去空气中的有毒化学品或致命细菌呢？
How does the filter remove poisonous chemicals and deadly bacteria from the air?
1928年秋，一位苏格兰细菌学家亚历山大。佛来明在寻找一种能够杀死致命细菌的物质。
In the autumn of 1928, a Scottish bacteriologist Alexander Fleming was searching for a substance that would kill deadly germs.
英国研究者的实验性突破每年将可以拯救1600英国人的生命，并把这种高传染性的致命细菌彻底根除。
The breakthrough by British researchers could save 1, 600 lives a year and wipe out the highly infectious bacteria.
最后一点，但不是可忽略的一点，他们是很多致命细菌的寄生载体，像老鼠、鸟类、苍蝇等等。
The last but not the least, it can be a fatal pathogen either way, like mice, birds, flies ect, they always make their home there.
潜在的致命细菌沙门氏菌具有一种分子装置，这种分子结装置可以整配沙门氏菌用来干扰细胞机制、感染全球数百万人的蛋白质。
The potentially deadly bacterium Salmonella possesses a molecular machine that marshals the proteins it needs to hijack cellular mechanisms and infect millions worldwide.
西班牙已针对未经证实、但造成其经济损失的指控提出赔偿要求，这些指控称，该国黄瓜是导致德国和瑞典16人死亡的一种致命细菌感染的感染源。
Spain has demanded compensation for unfounded and financially damaging accusations that its cucumbers were the source of a deadly bacterial infection that has killed 16 people in Germany and Sweden.
除了造成广泛的生态失调外，农药还促成了一种新型的具有抗化学性的、高度致命的超级细菌的出现。
Apart from engendering widespread ecological disorders, pesticides have contributed to the emergence of a new breed of chemical-resistant, highly lethal superbugs.
这一过程被称为“渗透作用”。对细菌和霉菌来说，这可能是致命的。
This process is called "osmosis," and it can be deadly for bacteria and mold.
如果他的假设正确，则在1918年冬天爆发的第二波流感变得更加致命的原因很可能不是因为病毒的演变而是因为细菌感染在冬季更加常见。
If he's right, it is possible the second, winter wave of 1918 flu was more deadly not because of viral evolution but because bacterial infections are more common in winter.
我觉得自己令人讨厌，渺小，像恐怖类电影描述的那些致命的细菌那样。
I feel as repulsive and small as one of those deadly germs often portrayed in the horror movie genre.
这些参数将有助于生产商控制和防止即食食品被这种细菌污染，从而导致李斯特菌病这种可能致命的疾病。
The parameters will help producers control and prevent contamination of ready-to-eat foods with this bacterium that can result in listeriosis, a potentially fatal disease.
即使早期人类无法见到病毒或细菌，也面临着其致命影响。
Even if early man could not see virus or bacteria, he was confronted with their lethal impact.
医院“超级细菌”成了最大的头条，但这些如此致命的病原体不过是更广阔、更令人焦虑的大局中一个极端的表达。
Hospital "superbugs" make the biggest headlines, but these especially deadly pathogens are just the extreme expression of a much broader, and more disturbing picture.
不过，研究小组强调，致命超级细菌的出现——如造成医院中数千人死亡的耐甲氧西林金黄葡萄球菌——与消毒剂的使用无关。
However, the team stressed the emergence of the most deadly superbugs - such as MRSA that has caused thousands of deaths in hospitals - is not linked to the use of disinfectants.
这种蜥蜴是食肉类动物，它们通常依靠捕食山羊、鹿和其它哺乳动物为生。 科莫多巨蜥的唾液中含有致命的细菌，足以致猎物死亡。
The creature is carnivorous, killing goats, deer and other mammals through deadly bacteria in its saliva.
一种新的对付MRSA（一种对抗生素有极强抗药性的金黄葡萄状球菌，是医院内主要的感染源）的方法即将成功。科学家宣称已经研发了一种新的药物可以摧毁这种致命的超级细菌。
A cure for MRSA appears to be within grasp after scientists claimed to have developed a drug that destroys the most virulent strains of the deadly superbug.
他们正在研究一些昆虫的致命毒液是否可以抵抗让人生病的细菌。
They are researching whether the deadly venom of some insects can work against bacteria that make people sick.
这种细菌可引起肉毒中毒——一种影响肌肉、造成呼吸障碍的致命疾病。
It can cause botulism, a potentially fatal disease that affects the muscles and can cause respiratory problems.
一种传染性的，通常是马和马科动物的致命疾病，由细菌。
A contagious, usually fatal disease of horses and other equine species, caused by the bacterium.
生物体可以通过基因修饰而抵抗疫苗，这样轻微的疾病就能演变成致死性疾病，皮肤划痕就能产生致命病毒和细菌。
Organisms could be genetically manipulated to defeat vaccines, mild diseases could be turned into deadly ones and lethal viruses and bacteria might be created from scratch.
生物体可以通过基因修饰而抵抗疫苗，这样轻微的疾病就能演变成致死性疾病，皮肤划痕就能产生致命病毒和细菌。
Organisms could be genetically manipulated to defeat vaccines, mild diseases could be turned into deadly ones and lethal viruses and bacteria might be created from scratch.
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