子弹射入这个军士的腿部，击碎了他的大腿骨。
The bullet lodged in the sergeant's leg, shattering his thigh bone.
它叫做大腿骨，范围从臀部到膝盖。
It is called the femur and it goes from your hip to your knee.
如果大腿骨旋转不够充分，你会把巨大的拧压施加到到半月板上——胫骨和大腿骨就好像一把巨大的钳子。
If the thighbone doesn't rotate enough, you'll apply huge pinching pressure to the meniscus—as if your shinbone and thighbone were a giant pair of pliers.
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