She correctly points out that bacteria are everywhere: on us, in us and all around us.
她正确地指出细菌无处不在：在我们身上，在我们体内以及在我们周围。
In Earth's early days, all over the planet countless photosynthetic bacteria performed photosynthesis.
在地球早期，整个星球上有无数的光合细菌在进行光合作用。
These microscopic layers of deposits containing bacteria are known as biofilms and they are found on most surfaces and objects.
这些含有细菌的微小沉积层被称为生物膜，它们存在于大多数表面和物体上。
It is home to an intricate food web of mosquito larvae, midges and bacteria, many of which can survive only in this unique habitat.
它是一个由蚊子幼虫、蠓和细菌组成的复杂食物网的家园，它们当中有许多只能在这个独特的栖息地生存。
Healthy lungs produce a natural antibiotic that protects them from infection by routinely killing harmful bacteria on airway surfaces.
健康的肺部会产生一种天然的抗生素，通过杀死呼吸道表面的有害细菌来保护肺部不受感染。
Macrophages are cells that play a role in the response of the immune system of mice and other mammals to invasive organisms such as bacteria.
巨噬细胞是在小鼠和其他哺乳动物的免疫系统对细菌等侵入性生物的反应中发挥作用的细胞。
Bad air quality can contribute to many health problems such as asthma, and improperly discarded garbage can spread bacteria that are dangerous to health.
糟糕的空气质量会导致许多健康问题，比如哮喘，而丢弃不当的垃圾会传播细菌，危害健康。
When our Sun later became hotter, the continued removal of atmospheric carbon dioxide and methane by early bacteria kept Earth's climate from becoming too hot to sustain life.
当我们的太阳后来温度变得更高时，早期细菌持续清除大气中的二氧化碳和甲烷，使地球的气候不至于变得太热而无法维持生命的存在。
The soil bacteria Myxococcus xanthus are the Roman army of the microbial world.
土壤细菌粘球菌是微生物界的罗马军队。
Prodigiosin is an intensely red pyrrole pigment produced by several bacteria, most notably, Serratia marcescens.
灵菌红素是由若干种细菌特别是粘质沙雷菌产生的一种红色吡咯色素。
Scientists urged health authorities to track the bacteria.
科学家们强烈要求卫生部门追踪这种细菌。
Dr Cui's filter, though, does not screen the bacteria out. It kills them.
而崔博士的新型净水器，不是把细菌过滤掉，而是把它们统统杀死。
Examples like this belie the notion that bacteria are simple, silent loners.
类似的例子打破了细菌是简单、寂静的独行者的观念。
Once, before the evolution of plants and animals, bacteria were all there was.
曾经，在植物与动物的进化之前，细菌就是这个星球上生命的全部。
Experts say bacteria develop resistance from continual exposure to antibiotics.
专家表示，细菌通过持续接触抗生素产生了耐药性。
We've seen solar harvesting in plants and bacteria, but never before in animals.
我们见过植物和细菌收集太阳能，但以前从未见过动物也可以这么做。
The rest are all hitch-hikers, mainly harmless bacteria that have evolved with us.
其它的都是搭便车的生物，主要是一些与我们共生的无害细菌。
In the case of animals, these partners tend to be microorganisms like intestinal bacteria.
对于动物来说，常见共生伙伴就是生活在其肠道内的细菌等微生物。
Our belly buttons - or really, the bacteria they contain - are reflections of our lives.
我们肚脐眼——或者确切讲，里面的微生物——是我们生活的写照。
Several Californian firms are also seeking to make advanced biofuels using modified bacteria.
几个加州的公司也在寻求运用改良过的细菌制造高级生物燃料。
Research has shown that bacteria - among the simplest life forms on Earth - have a sense of smell.
嗅觉是动物的一个重要感官功能，而一项最新研究显示，细菌这种单细胞生物也有类似的“嗅觉”，它可以感知空气中的气味，并由此对周边环境做出判断。
Many of today's antibiotics cure various diseases by blocking the function of ribosomes in bacteria.
目前，许多抗生素是通过阻断细菌中核糖体的作用来治疗一些疾病的。
The MudWatt creates energy by capturing electrons released when mud-borne bacteria eat metal oxides.
MudWatt电池通过捕获土壤细菌啮食金属氧化物时释放出来的电子产生能量。
A type of bacteria discovered in brewery wastewater in the Netherlands 25 years ago amazed scientists.
25年前在荷兰的酿造废水中发现的一种微生物令科学家们欣喜异常。
Now scientists have an idea about how honey fights some bacteria-and might help with antibiotic resistance.
现在，科学家明白了为什么蜂蜜能够战胜细菌了，这一发现也许还有助于缓解细菌对抗生素产生抗性。
Drinking black tea has been found to prevent dental plaque formation and to kill bacteria that infect teeth.
喝红茶可以防止牙菌斑的形成，还可以杀死感染牙齿的细菌。
ANTIBODIES - the linchpin of our natural defences against bacteria and viruses - may also protect us from strokes.
抗体——人类抵抗细菌和病毒的天然防护的关键——也可能保护我们免遭中风。
Brushing or scraping the tongue twice a day reduces the number of bacteria on the tongue, which causes bad breath.
每天清洁舌头两次，可减少舌头上引起口臭的细菌。
Brushing or scraping the tongue twice a day reduces the number of bacteria on the tongue, which causes bad breath.
每天清洁舌头两次，可减少舌头上引起口臭的细菌。
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