nitric bacteria

常见例句

• A film of mucus and bacteria on a tooth surface.
  齒菌斑牙齒表麪一層粘液和細菌的膜
• Bacteria are too small to see with the naked eye.
  細菌太小，肉眼看不見。
• Many diseases are caused by bacteria.
  許多疾病是由細菌引起的。
• Dissolution or destruction of bacteria.
  溶菌作用對細菌的溶解或破壞
• Such a growth or colony, as of bacteria.
  培養菌該種生長物或群落，如培養菌
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