protrusion是什么意思？

protrusion

例句

• He grabbed at a protrusion of rock with his right hand. 他用右手抓住了一块凸起的岩石。
• But the retrusion of alveolar mandible led to chin protrusion. 前颅底和下颌骨发育正常,而下牙槽突代偿性后缩可导致成年腭裂患者的假性颏前突.
• Objective : To explore the value of infrared thermograms ( ITG ) on diagnosis of intervertebral disc protrusion ( IDP ) . 目的: 探索 红外热 像图仪对腰椎间盘突出症的诊断价值.
• A similar rocky protrusion was noticed in the north apse. 在北侧半圆壁龛另有一块相似的石头.