premolar

常見(jiàn)例句

用作名詞 (n.)

• But Longgupo also yielded a mystery jaw fragment, including the fourth premolar and the first molar.
  但龍骨坡還發(fā)現(xiàn)了一件神秘的下頜殘片，包括第四前臼齒和第一臼齒。
• Standardized maxillary premolar crowns were fabricated with five different alloys and one Zircoina ceramic.
  另將五種合金與二氧化鋯制作標(biāo)準(zhǔn)上顎骨前臼齒牙冠。
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