jaw teeth 英[dʒɔ: ti:θ] 美[dʒɔ tiθ] [词典] [医] 磨牙,臼齿; [例句]The jaw teeth and pharyngeal teeth are derived from the ectoderm and mesoderm.南方鲶的颌齿均由外胚层及中胚层分化而成。