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Bacteria break down the animal waste to form methane gas.
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细菌使动物粪便分解成沼气。 |
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Bacteria can decompose organic matter.
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细菌能使有机物腐烂。 |
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Bacteria do not develop at low temperature, so that food can be preserved in cold storage.
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细菌在低温下不能繁殖,因此食品可以冷藏。 |
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Bacteria living at greater depths could survive longer.
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生活在更深处的细菌能存活更长时间. |
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Bacteria make up a major part of the world's biomass.
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细菌是世界上所有生物的重要组成部分。 |
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Bacteria may divide veery 20 minutes and can thus reproduce very rapidly.
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细菌每20分钟分裂一次,繁殖速度非常快。 |
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Bacteria that live in the mouth break down proteins in food, releasing sulphur compounds. It's these that smell. People with gum disease and dental decay are more likely to suffer.
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许多长期有口臭的人,是因为吸烟和过度饮酒引起的,而引起口臭的最主要原因是——不注意口腔卫生。 |
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Bacteria under the microscope, even those with no flagella, often bounce about in the water.
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在显微镜下面的细菌,即便是那些没有鞭毛的,也时常在水中乱跳。 |
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Bacterial cells are simpler than shoes of animals and plants.
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细菌的细胞比动植物的细胞简单。 |
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Bacterial cellulose is a new kind of biologic compound material and it has many advantages more excellent than foliage fiber.
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摘要细菌纤维素是一种新型生物合成原料,它有许多优于植物纤维的特点。 |
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Bacterial infection of the middle ear requires antibiotics.
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如果是中耳有细菌感染,就要使用抗生素来治疗。 |