| 单词 | 菌斑 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔decay〕When not removed, plaque causes tooth decay and gum disease.牙菌斑如果不及时清除, 会导致龋齿和齿龈问题。外研社新世纪〔gummed〕The toothbrush gently removes plaque without damaging the gums.这种牙刷可以温和去除牙菌斑而不损伤齿龈。柯林斯高阶〔plaque〕A film of mucus and bacteria on a tooth surface.齿菌斑：牙齿表面一层粘液和细菌的膜美国传统〔tartar〕Plaque and tartar need to be removed so that gums do not become diseased.需要去除齿菌斑和牙垢, 这样齿龈就不会患病了。外研社新世纪 |
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