| 1. | Stain of the sediment reveals numerous bacteria .
尿沉渣染色显示无数细菌。
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| 2. | Bacteria will not breed in alcohol .
细菌不能在酒精内繁殖。
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| 3. | Bacteria are used in making some drugs .
细菌能用来制药。
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| 4. | Other methods had, therefore, to be devised for bacteria .
需要为细菌创造别的方法。
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| 5. | The bacteria can capture the energy for growth .
这种细菌能够为了增长繁殖而夺取能量。
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| 6. | The nitrifying bacteria are chemosynthetic autotrophs .
硝化细菌是化能合成的自养生物。
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| 7. | When the bacteria die, the plants absorb the ammonia .
当细菌死亡时，植物就吸收这种氨。
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| 8. | 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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| 9. | The free-living bacteria occur in the soil rhizosphere .
自由生活的细菌在土壤根圈中生存。
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| 10. | Bacteria are carried long distances by air and water currents .
气流和水流可将细菌带得很远。
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