Its bones are the femur (thighbone), the longest bone in the human body; patella (kneecap ); tibia (shin); and fibula. The biceps muscle of the thigh bends the leg; the quadriceps straightens it.

它的骨骼有股骨(在人体中是最长的)、髌骨(膝盖骨)、胫骨和腓骨。两足动物股部的肌肉使腿弯曲,四头肌则将腿拉直。

||1:The schoolhouse fell into disrepair and was overrun with mice and roaches, which fell from the ceiling as he ate.||2:Mould grew on his clothes.||3:He broke his kneecap , but had to work on.||4:Two men ran away, and one of them was found frozen dead in a ditch; for a time the building was padlocked.||5:Eleven men had already been retired and returned to Texas, but he was not sent, so he stayed and went on with the work.||6:It was a long way back home, and possibly no one would know him any more.

||1:校舍年久失修，到处都是老鼠和蟑螂，它们会在他吃饭时从天花板上掉下来。||2:威利的衣服都发了霉。||3:他的膝盖受伤了，但是还得继续工作。||4:两个人逃跑了，其中一个被发现冻死在沟里；有一段时间，这座大楼被锁得严严实实。||5:11个人已经退休并返回了德克萨斯州，但是威利没有回去，所以就留在这里继续工作。||6:回家的路很长，可能已经没有人记得他。

||1:Politically, Obamacare remains highly controversial.||2:A poll of polls finds that 51% of Americans disapprove of it; only 41% approve.||3:Republicans bash it in stump speeches; Democrats mention it only in passing.||4:A lawsuit, Halbig v Burwell, contends that the law allows insurance subsidies only through state-run exchanges, not through the federal one.||5:If the plaintiffs win, they could kneecap the entire reform.

||1:政治上来讲，奥巴马医改依然备受争议。||2:民意测验的比较发现51%的美国民众不赞同该医改，仅有41%的人支持它。||3:共和党人在竞选演说中猛烈抨击奥巴马医改，而民主党只是顺便提一提。||4:Halbig v Burwell诉讼案件争论法律只允许通过国营的交易而非联邦交易给予保险补助金。||5:如果原告获胜，他们将保障整个改革。

But trouble appears when your kneecap moves out of its track, or rubs up against its sides.

如果你膝盖移动出轨或蹭到了侧面，那就会出问题。

Last week, I wrote how I had once fractured my kneecap in a fall, trying to keep from spilling a few dollars' worth of dog food.

为了不让几美元的狗粮洒掉，我摔了一跤，并把膝盖摔裂了。

Pain around and sometimes behind the kneecap .

膝盖周围疼痛，有时候在膝盖后面。

Your relatively weak quads aren't strong enough to keep your kneecap moving in its proper groove, which causes pain.

相对弱小的四头肌不足够强壮支撑不了你的膝盖的常规运动，也会导致疼痛。

In the second column, they ask us to list all the ways that we routinely kneecap ourselves.

在第二栏，他们请我们列出我们不断“打击”自己的方法。

kneecap height

膝盖高

kneecap height

髌骨高

kneecap support

护膝