词汇	龈线
释义	龈线医gingival line；gum line
随便看	block aroeage block around ectopic focus block arrangement block artifact block artifacts Block A sequence of bits of fixed length block a solution to the question block asphalt block assembling block as-sembling block assembly block assembly shop block assembly tester block association block at main stem of left bundle branch block atrial premature block atrial-ventricular dissociation Block,Atrioventricular block authentication block automatically block automatic system block automation system block automation systemBAS block automation system bas Block,Autonomic Nerve