Listening& Interpretation

1. If the natural immune system against disease is weak, however, a person can get tuberculosis soon after the TB bacteria enter the body.

•如果一个人抗病的自身免疫系统衰弱，结核菌可以迅速侵入机体而得肺结核。

2. When this happens, the bacteria begin reproducing and damaging the lungs or other organs and causing serious sickness.

•发生这种情况时，细菌开始繁殖，破坏肺或其他器官而得重病。

3. People with the disease show several signs. They may expel air from the lungs suddenly with an explosive noise.

•此病患者有多种体征，呼气时带有突发的爆破音。

4. They suffer what are called nightsweats, during which their bodies release large amounts of water through theskin.

•他们出现的症状称为盗汗，此时身体通过皮肤挥发大量的水分。

5. One thing that is especially dangerousabout TB is that people with moderate signs of the disease may not know theyhave it.

•尤其危险的是，肺结核患者即使呈现中度症状表现，也可能不知道自己已患病。