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？
Certain types of bacteria are extremely harmful, and it takes only a small number to make you sick.
有些种类的细菌非常有害，只需要一点点就能让你生病。
Also, certain types of bacteria are extremely harmful, and it takes only a small number to make you sick.
此外，有些类型的细菌是非常有害的，只需要少量细菌就能让你生病。
A phylum of Eubacteria contains the true actinobacteria and the coryneform bacteria.
一门真细菌包含真放线菌以及棒状杆菌。
Bacteria also play a role, by triggering additional inflammation and infection.
细菌也扮演了一定的角色，会引起额外的炎症或感染。
That's something that may prompt me to give the superstar bacteria a try after all.
这可是确实是一种可能促使我试试这超级明星细菌的东西。
Heterotrophic bacteria are a category which includes all bacteria that survive by consuming organic matter.
厌氧菌被分类为那种靠消耗有机物质而存活的细菌。
One, by overexposing bacteria to antibiotics, you give bacteria a chance to mutate and become resistant.
第一，细菌过度感观抗生素时，你使得细菌有变异的可能性，并产生抗药性。
In fact, you may have heard about the new "superbugs", which are antibiotic-resistant bacteria that have developed as a result of overprescribed antibiotics.
事实上，你可能已经听说过新的“超级细菌”，它们是由于过量使用抗生素而产生的耐抗生素细菌。
I realize we're supposed to research food-born bacteria, but food packaging must play a role in all of that, right?
我意识到我们应该研究食物糜烂后滋生的细菌，但是食物包装应该起到了很大的作用，对吧？
When a carpet was contaminated, less than 1% of the bacteria were transferred.
当地毯被污染时，只有不到1%的细菌会被转移。
It depends on just how many bacteria can make it from floor to food in a few seconds and just how dirty the floor is.
这取决于有多少细菌能在数秒内从地上转移到食物上以及地有多脏。
From a food safety standpoint if you have millions or more bacteria on a surface, 0.1% is still enough to make you sick.
从食品安全的角度来看，如果食物表面有数百万或更多的细菌，食用0.1%也足以让你生病。
From a food safety standpoint, if you have millions or more bacteria on a surface, 0.1% is still enough to make you sick.
从食品安全的角度来看，如果表面有数百万或更多的细菌，其中0.1%的量就足以让你生病。
A large number of bacteria collected on a single shoe.
一只鞋上就聚集了大量细菌。
Sugar can cause tooth decay by being used as a food source for the bacteria found on our teeth, which causes plaque.
糖通过被那些存在我们牙齿的引起斑块的细菌作为一种食物来源，可以导致牙齿腐烂。
Though the precise harm to our bodies remains unknown, concerns include the microplastics themselves, as well as the fact that they absorb a range of harmful bacteria.
虽然微塑料具体会对我们身体造成怎样的伤害尚不明确，但微塑料本身和他们吸收了大量的有害细菌这一事实让我们忧心忡忡。
Not only do tears keep your eyes lubricated, but they also contain a substance that kills certain bacteria so they can't infect your eyes.
眼泪不仅能使你的眼睛保持湿润，它们还含有一种物质，可以杀死某些细菌，使它们不会感染你的眼睛。
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。
They found that up to 421,000 units of bacteria can collect on the outside of a single shoe.
他们发现，一只鞋的鞋面就可以聚集多达42.1万个细菌单位。
Consequently, she succeeded in making a kind of candy only using natural sweeteners, which can reduce oral bacteria.
最终，她成功地制作了一种只使用天然甜味剂的糖果，这种甜味剂可以减少口腔细菌。
From a food safety standpoint, if you have millions or more bacteria on a surface,0. 1% is still enough to make you sick.
从食品安全的角度来看，如果一个东西表面上有数百万或更多的细菌，那它们当中的0.1%都足够让你生病了。
She began college as a biology major but found she was "really bored with bacteria".
她刚上大学时主修的是生物专业，但她发现自己“觉得细菌很无趣”。
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。
We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.
我们想知道食物与被污染的表面接触的时间长短是否会影响细菌转移到食物上的速度。
I assume another reason you were so certain is that—rather famously—you swallowed a bunch of Helicobacter bacteria to prove that it caused stomach problems.
我猜你能这么肯定的另一个原因是——众所周知——你吞下了一堆幽门螺杆菌以证明是它引起了胃病。
It is theoretically possible that bacteria developed on Mars early in its history and that some were carried to Earth by a meteorite.
从理论上讲，细菌可能是在火星的早期发展起来的，其中一些是由陨石带到地球的。
Salt takes in plenty of water, so most bacteria can not live in a salty environment.
盐会吸收大量的水，所以大多数细菌不能在含盐的环境中生存。
I began a second drawer for more general discoveries: new cave system discovered with dozens of nameless species, four hundred species of bacteria found in the human stomach.
我打开了第二个抽屉里，寻找更普遍的发现：在新的洞穴系统里发现了几十种不知名的物种，在人的胃里发现了400种细菌。
Corynebacterium glutamicum high-serine is used as a lysine-deficient strain of the bacteria fermentation in the industry.
谷氨酸棒杆菌高丝氨酸在工业上用作细菌发酵的赖氨酸缺乏菌株。
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