odontolith

odontolith

美  英

  • n.牙垢
  • 网络牙石;齿石;牙积石

英汉解释

n.
1.
牙垢

例句

The odontolith is the hard calcified or calcifying lump which is mainly formed by dental plaque .

牙石是附在牙面上的钙化或正在钙化的牙菌班为基质的团块。