pre·max·il·la·e英priːmæk'sɪlə美ˌpriːmæk'sɪləBNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 n.解前颌骨形容词premaxillary名词复数premaxillae 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.” 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。 cri