ObjectiveTo discuss the causes, preventions and treatments of fractures after spinal cord injury ( SCI ) .目的探讨脊 髓 损伤后并发骨折的原因 、 预防及治疗措施.It's essential to know which is which as treatments will be quite different.由于治疗...
By the time they finish, the crewmen are standing ankle-deep in fish guts.到他们完工时，船员站的地方鱼内脏已堆至脚踝。Crewmen aboard the tanker sighted a ship in distress off the coast of Senegal.油船上的船员们在塞内加尔的近海发现了一艘失事的船.The crewmen were chee...
这款相机既坚固耐用，又有超凡的光学性能和快门速度。The camera combines rugged reliability with unequalled optical performance and speed.摄影师停止按动快门，匆匆绕过拐角。The photographer stopped clicking and hurried around the corner.对这类相机而言，快门的速度是固定的。With this t...