He was shot in the back of the knee.

他被子弹击中了腘窝。

《牛津词典》

However, the panel suggested the FDA only approve Cymbalta as an additional treatment for lower back pain, and not osteoarthritis of the knee.

尽管如此，该委员会建议FDA仅仅批准该药物用于腰疼的辅助治疗，而不能治疗膝盖关节炎。

youdao

Bend your knees and lower your back knee towards the floor, keeping the front heel down and the knee directly over the centre of the foot.

弯曲你的膝盖以及你的后腿膝盖向地面方向弯曲，保持前脚踝触地，以及膝盖在脚中心的正上方。

youdao

He had fluid drained from the back of the knee after struggling through the two games he played during that stretch, and said after the Knicks' morning shootaround he feels much better.

WSJ: Anthony expected to return for Knicks on Wednesday

Erica Solar, who works as a receptionist on East 37th Street, was headed to a Dunkin' Donuts when she heard the shots, took a few steps and realized she had been shot in the back of her left knee, according to her brother, Louis Lleras.

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It's not as bad as I first thought anyway, but I'm feeling a bit of pain in my knee and the back of my calf and down my shin so we'll see how it is.

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