bacterial plaque

常见例句

• Oolong suppresses dental plaque and helps prevent cavities.
  乌龙能抑制牙菌斑及帮助预防蛀牙。
• The outcome is a circular clearing, a plaque, in the lawn of confluent bacterial growth.
  其结果是在细菌化合生长的菌坪中形成一个环状清除区，亦即溶菌斑。
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