plaque
US /plæk/
UK /plæk/

1.
2.
牙菌斑, 斑块
a sticky, colorless film that forms on teeth and harbors bacteria, leading to tooth decay and gum disease
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Brushing regularly helps remove dental plaque.
定期刷牙有助于清除牙菌斑。
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If plaque is not removed, it can harden into tartar.
如果牙菌斑不去除,它会硬化成牙垢。