1. Corolla beak 3--4 mm; middle lobe of lower lip smaller than lateral lobes. Anterior filament pair sparsely pubescent. 花冠具喙的3-4毫米；下唇小于侧面裂片的中部裂片。前面的花丝对疏生短柔毛。
2. Patients were analyzed with respect to technique of anterior ring fixation and posterior ring injury pattern and fixation. 分析病人情况，非凡关注骨盆前环的固定技术、后环的损伤类型及固定方法。
3. Objective To evaluate the aesthetic effects of anterior teeth defect restored with fiber posts and resin cores after long-term clinical observation. 目的：使用纤维桩树脂核修复前牙牙体缺损，通过对修复体长期的临床观察，评价其美学效果。
英英解释
n.
1. a tooth situated at the front of the mouth
2. of or near the head end or toward the front plane of the body
3. earlier in time
