英语语法分析

Bilateral femoral fractures have a high risk of complications and mortality.

双侧股骨干骨折有很高的并发症发生率和死亡率。

From this point, necrosis of the femoral head universal knowledge is very important.

从这一点来说，普及股骨头坏死的知识是十分重要的。

Injury to the femoral nerve can also occur through incorrect placement of retractors.

股神经的损伤也可能由于牵开器的不正确放置。