| 第 1 页：听力原文 |
| 第 2 页：词汇解释 |
1.Infectious
adj. 传染的
例句与用法:
Diphtheria is a serious infectious disease.
白喉是一种严重的传染病。
Flu is an infectious disease characterized by fever, aches and pains and exhaustion.
流感是一种传染病，其特征是发热、全身疼痛和疲乏无力。
2.undergo
v. 遭受,经历,忍受
例句与用法:
The castle will undergo extensive and costly renovations.
那城堡要用钜资进行全面整修.
Metals undergo expansion when heated.
金属加热时会膨胀。
3.quarantine
n. 隔离,封锁交通,检疫期间
v. 检疫,停止交涉
例句与用法:
A ship in quarantine show a yellow flag call the quarantine flag.
被检疫的船只插着一面黄色的检疫旗。
Quarantine restriction have been lifted on import animal from that country.
对来自那个国家的进口动物的检疫限制已被解除。
