前颌间银鱼 Salanx prognathus
前颌骨 premaxillary
前颌腺 premaxillary gland
双颌前突 [口腔] bimaxillary protrusion
上颌前突 [口腔] maxillary protrusion ; [口腔] maxillary prognathism
下颌前突 [口腔] Mandibular Prognathism ; [口腔] prognathism
前颌齿 premaxillary tooth
前颌珠鳉 Cynolebias prognathus
前颌朴丽鱼 Haplochromis prognathus
下颌前伸 mandibular protrusion
用主动矫治器行双侧唇腭裂术前矫治前突的前颌骨是合理和有效的手段。
Using active preoperative orthopedics to reposit the protruding premaxilla of bilateral cleft palate is a reasonable and effective approach.
我们拥有的是上颌的尖端，这是一种叫做前颌骨的骨头；还有一个保藏在牙槽里的、破碎的牙齿。
All we have is the tip of the upper jaws -bones called the premaxillae, and a broken tooth preserved in one socket, "said Dr Martill."
他偶然发现了一个450万年前的有袋动物的颌骨。
He came across the jawbone of a 4.5 million-year-old marsupial.
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