Because there are exactly two wrists.

因为有两个腕关节。

It affected the young animal's front legs, which became hyperextended.

这种疾病影响了幼崽前肢，使前肢腕关节过度伸展。

This year Forpheus is able to strike back with its own spins thanks to new elbows and wrist joints.

今年，由肘关节和腕关节出现，Forpheus可以用自己旋转进行反击。

Page ortho to take a look at his wrist and let c. t. know we're coming. -Yes, Dr. Shepherd.

呼骨科来看看他腕关节，并告诉CT那边我马上到。-好，Shepherd 医生。

The radius and ulna bones connect between the elbow joint and the wrist.

桡骨和尺骨连接在肘关节和腕关节之间。

So Jabu, the African elephant from Botswana, he actually fell into a termite hole and he twisted his wrist really bad.

来自博茨瓦纳非Jabu，进了一个白蚁洞里，它腕关节扭得很厉害。

Oh, and then the cellist has carpal tunnel syndrome...

然后大提琴手得了 腕关节综合症。

Make sure all parts of your body, like your elbows and wrists, are supported, using ergonomic aids if you need to.

确保你身体每一个部分，比如肘和腕关节都有支撑物，必要时候使用人体工程学辅助设备。

In one wrangle then wrestle, Ralph wrenched the other one's wrist carelessly.

在一次口角继而扭斗中，拉尔夫不慎扭伤了另一个人腕关节。

But researchers hypothesize that it has to do with the pressure placed on the small bones of the wrist and ankle joints when an animal has to do more with its limbs than just paddle.

但研究人员推测，当动物需要用四肢做更多事情而不仅仅是划桨时，这与施加在腕关节和踝关节小骨头上压力有关。