断口（fracture）
骨折愈合(healing of fracture of bone)
骨折(fracture of bone)
open fracture
击入性骨折(blow-in fracture)是当眼部被钝器击伤时，眼球突然向后移位，眶内压力剧增，致使眶底薄弱处发生骨折，骨折片、眶内软组织、眼肌等随之疝入额窦
A compound fracture is a fracture in which（）.
Which is the most serious type of fracture?（）
击出性骨折(blow-out fracture)系暴力击中眶外侧壁或颧部，使额颧缝发生骨折，延续到眶下壁。冲击力使上颌骨转动，导致部分眶底向下旋转进入眶内。
Fracture damage to the end links of the anchor cable，or to the jews’ harp may be eliminated by（）.
Le Fort II fracture：Le Fort 请翻译成中文后解释 名词解释
A material exhibits an endurance limit, which means that the material can be cycled continuously without fracturing at any stress below the endurance limit.
fractures指（）。
stress fractures 指（）。
