bacteria-
The bacteria were growing in a sugar medium .
细菌在糖基中生长。
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The bacteria were then examined under a / the microscope .
随后把细菌放到显微镜下进行检查。
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It is possible to multiply these bacteria in the laboratory .
在实验室里繁殖这些细菌是可能的。
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Once in the bloodstream , the bacteria adhere to the surface of the red cells .
细菌一进入血液里，就附着在红细胞表面上。
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The bacteria are harmless to humans .
这些细菌对人无害。
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It is an effective treatment for the bacteria and does kill it off
这是杀菌的特效药，能将其全部消灭。
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Exactly which bacteria cause the infection is still unknown .
到底是什么细菌引起的感染还不清楚。
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Warm milk is the ideal breeding ground for bacteria .
温牛奶是细菌理想的滋生地。
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They found a bacterium visible to the human eye
他们发现了一种肉眼可见的细菌。
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To confirm the diagnosis , the hospital laboratory must culture a colony of bacteria .
为进一步确诊，医院实验室必须培养一个细菌菌落。
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Treatment is supplemented with a course of antibiotics to kill the bacterium
治疗期间辅以一个疗程的抗生素注射来杀灭细菌。
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Bacteria reproduce by dividing and making copies of themselves .
细菌通过分裂和自我复制来繁殖。
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Soap destroys the cell walls of bacteria .
肥皂破坏细菌的细胞壁。
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Chlorine is added to kill bacteria .
加氯是为了杀死细菌。
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If your urine specimen shows the presence of bacteria , you 'll be prescribed antibiotics .
如果你的尿样显示有细菌存在，医生会给你开抗生素。
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The fertiliser releases nutrients gradually as bacteria decompose it .
随着细菌的分解，肥料逐渐释放出各种营养成分。
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Parts of the shop were very dirty , unhygienic , and an ideal breeding ground for bacteria .
店里的一些地方十分肮脏不洁，简直就是滋生细菌的理想温床。
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Long-time exposure to the damp environment multiplies the bacteria in food rapidly .
长时间放置在潮湿的环境中使食物中的细菌迅速繁殖。
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Bacteria multiply quickly under favourable conditions .
细菌在适当的条件下繁殖很快。
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This type of bacteria can 't stand exposure to light .
这种细菌见不得光。
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This microscope can magnify bacteria three thousand times their actual size .
这台显微镜可以把细菌放大三千倍。
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The colon is the locus of a large concentration of bacteria .
结肠是大浓度的细菌所在地。
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Many bacteria cause diseases .
许多细菌能产生疾病。
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Bacteria in plaque also cause gingivitis and other periodontal diseases .
菌斑中的细菌还可以导致牙龈炎及其他牙周病。
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Bacteria sticks to food debris in the teeth , causing decay .
细菌附着在牙缝中的食物残渣上，导致蛀牙。
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All bacteria are larger than viruses .
所有细菌都比病菌大。
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Bacteria are active practically everywhere .
细菌活动的范围很广，无所不至。
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Photoreactivation systems have been found in many organisms from bacteria to marsupials .
在从细菌到有袋类动物的许许多多有机体中，已经发现光致反应系统。
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Bacteria are invisible to the naked eye .
肉眼看不见细菌。
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The nondescript bacteria were responsible for the infectivity of the filtrate .
这种滤液的浸染性应归之于不能描述的细菌。