VOA常速英语:Osteoporosis Drug Might Repair Joints Damaged by Arthritis

1. A medication that builds bone mass in patients with osteoporosis might actually help repair damaged joints and could be used to treat people suffering from arthritis, according to University of Rochester Medical Center researchers.

be used to 习惯于...
例句： Lasers can also be used to purify materials. 
激光还可以用于材料提纯。 
suffer from 患病;遭受……之苦
We suffer from too much officialdom. 
我们深受官僚作风之害. 

2. It occurs when cartilage breaks down, so it can no longer cushion bones as they move against each other in joints like the knee, hips, or hands.

break down 损坏
例句：What guarantee do I have that it won't break down easily? 
有什么保障它不会轻易出故障？ 
no longer 不再
I can no longer pocket her insults. 
我再也无法忍受她的侮辱了。
each other 相互
They somehow supplemented each other. 
它们却起着互相补充的作用。 

3. "The treatment with Forteo induced the cartilage to become thicker by 32 or 35 percent relative to animals that were given a placebo treatment," Zuscik says.

relative to 成...有关，涉及
例句：Where is it relative to other elements? 
这个元素和其他元素是否是相关的？ 

4. Currently, osteoarthritis patients use a variety of medicines to treat pain, but available drugs do nothing to reverse the actual damage that causes the pain.

a variety of 各种各样
例句：A variety of books are displayed there. 
那里展示着各种各样的书。 

5. The researcher says it wouldn't make the joint like new, but it would roll back the clock.
roll back 反转
例句：Nobody could roll back the wheel of history. 
没有人能倒转历史的车轮。

6. Osteoporosis patients get a warning of one possible risk.

a warning of 警告
例句：The accident served as a warning of what may happen. 
这次事故是可能发生的事情的前兆。