Instead,the protein builds up in the joints and attacks cartilage and bone.

VOA: special.2010.05.19

So biomedical engineers have been working for many years on how to design replacement parts for joints like the hip: the artificial hip is the most well developed of those.

因此,生物医学工程师花了很多年时间,致力于设计像髋关节这样的关节替代品,尤以人工髋关节的研究最为成熟

耶鲁公开课 - 生物医学工程探索课程节选

and the ground is really soft, so that you don't end up hurting your joints.

土地也很柔软，这样你的关节就不会受伤了。

What do you 实战 - SpeakingMax英语口语达人

Instead,the protein builds up in the joints and attack cartilage and bone.

VOA: special.2010.03.16

As a result,there is a reduction in the number of nodes,or joints, that produce groups of flowers along stems.

VOA: special.2009.11.10

Common signs of sleeping sickness include fever,headaches, extreme tiredness and pain in the muscles and joints.

VOA: special.2010.01.04

The symptoms are increased body temperature, pain in muscles and joints and stomach sickness.

VOA: special.2009.04.13

And they may experience pain in joints such as the elbow or knee.

VOA: special.2009.05.26

"On station one,we have robot arms. And what happens is the robots have different joints like a human arm -- one at the shoulder,one at the elbow, wrist and then a claw.

VOA: special.2010.07.28

"The average lifespan of the metal joints is about 10 to 15 years."

VOA: standard.2010.08.11

"So when we observe these animals with the replacement joints, what we found was there was regeneration of the entire joint that allowed the animals to resume weight-bearing and locomotion."

VOA: standard.2010.08.11

"So as you can imagine, if you are say 50,55 or younger, the surgeons will be very hesitant to place these metal joints in your body because knowing that in 10 to 15 years, there's a chance these would fail."

VOA: standard.2010.08.11