枢椎Hangman骨折是最常见的上颈椎骨折之一，掌握其分型、治疗策略和手术操作很重要。单节段固定Hangman骨折可以减少对颈椎活动度的影响，是最接近生理状态的固定。今年新出版的高延征、马向阳主译，郝定均、夏虹主审的《上颈椎外科学》做了详细介绍。

当我们说 “get the hang of something”，意思就是 “学会了做某件事情的要领，明白怎么做这件事情”。 After several lessons, I’m getting the hang of driving a car. 在上了几节驾驶课之后，我开始领悟到开车的窍门了。 I got the hang of gardening after watching a ...

绞刑结是先在绳索一端折成一个S形，绳头沿主绳方向开始缠绕6到8圈，从小圈中穿出，大圈拉紧，就完成了。 The hangman's knot or hangman's noose (also known as a collar during the Elizabethan era) is a knot most often associated with its use in hanging a ...