英语词汇“齿菌斑”的释义、用法及例句翻译-英汉例句词典

词汇	齿菌斑
例句	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。
随便看	national border national character national college national competition National Convention national convention national crisis national curriculum national day national debt national defence national defense national disgrace national economy national emblem national flag national football National Football League national forest National Front National Gallery National Government national government national grid National Guard

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