广播电视英语短句 第 89 课：肺结核-1

Tuberculosis killed one million three hundred thousand people around the world in two thousand seven. 2007 年全球有 130 万人死于肺结核。

In addition, almost half a million people who were infected with tuberculosis and with H.I.V. also died. 此外，还有近 50 万同时感染肺结核和艾滋病的患者死亡。

Those were listed as H.I.V. deaths. 他们被列在因艾滋病死亡的名单上。

An estimated one-third of all people are infected with tuberculosis. 据估计，全人类大约有三分之一感染了肺结核。

But the body's natural defenses are usually strong enough to prevent an active case. 但是人类机体的自然防御通常都足够强大，足以抑制结核病的发作。