Officials say he suffered a shattered ankle and compound leg fractures.

官方宣称他的脚踝骨折，伴有腿部骨折。

He had both jumped and tried to prevent himself from jumping-the result was that he'd smashed headlong into the desk knocking it over, and, by the feeling in his legs, fractured both his kneecaps.

他跳了，同时又试图不让自己跳——其结果就是他一头撞在桌子上，把桌子撞翻了，腿上钻心地疼，看来他的两个膝盖骨都摔裂了。