1640s, from French protrusion, noun of action from past participle stem of Latin protrudere "to push out" (see protrude), or from a similar formation in English.
实用例句
1. 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。
来自柯林斯例句
2. a protrusion on the rock face
岩石表面的突起部分
来自《权威词典》
3. Thumb - sucking can cause protrusion of the teeth.
经常吮吸拇指能使牙齿向外突出.
来自辞典例句
4. Diagnosis and treatment of ruptured lumbar disc protrusion ( 32 cases report )
破裂型腰椎间盘突出症的诊断与治疗 ( 附32例报告 )
来自互联网
5. Etiological Survey on Chronic Protrusion of Cervical Intervertebral Disc ( 28 cases analysis )
