premolars

基本解释

• 前磨牙； 双尖牙

同根派生

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英汉例句

• A tooth with a broad crown used to grind food,located behind the premolars.
  臼齿一种用作研磨食物的有宽齿冠的位于前磨牙后的牙齿。
• Perhaps that's because the premolars were doing all the hard work, he suggests.
  他建议道，也许那是因为前磨牙做着所有艰辛的工作。

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