广播电视英语短句 第 154 课：类风湿关节炎-1

Rheumatoid arthritis is a painful disease that can destroy joints. 类风湿关节炎是一种会破坏关节的疼痛型疾病。

Women are three times more likely to get it than men. 女性患这种疾病的可能性是男性的三倍。

Rheumatoid arthritis is considered an autoimmune disease, a disease where the body attacks healthy cells. 类风湿关节炎被认为是一种自身免疫性疾病，自身攻击健康细胞的疾病。

The exact cause is unknown. But in a recent study, an experimental drug showed signs of halting the disorder in laboratory mice. 准确的引起原因还未知.但是在最近的研究中，一种使用在实验白鼠上的实验性药物显示出机能素乱有所停止。

Harris Perlman is a medical researcher at Northwestern University in Illinois. Harris Perlman 是伊利诺斯州西北大学的医学研究员。