bacteria

• Stain of the sediment reveals numerous bacteria .
  尿沉渣染色显示无数细菌。
• Bacteria will not breed in alcohol .
  细菌不能在酒精内繁殖。
• Bacteria are used in making some drugs .
  细菌能用来制药。
• Other methods had, therefore, to be devised for bacteria .
  需要为细菌创造别的方法。
• 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。
• The nitrifying bacteria are chemosynthetic autotrophs .
  硝化细菌是化能合成的自养生物。
• When the bacteria die, the plants absorb the ammonia .
  当细菌死亡时，植物就吸收这种氨。
• The colon is the locus of a large concentration of bacteria .
  结肠是大浓度的细菌所在地。
• Bacteria are carried long distances by air and water currents .
  气流和水流可将细菌带得很远。