VOA常速英语:Animal-Related Diseases Concern Scientists

词汇讲解：

1. contact n. 接触
例句：Farm workers frequently come in contact with these insecticides.
农场工人常常接触这些杀虫剂。

2. nightmare n. 噩梦；可怕的事情, 无法摆脱的恐惧
例句：The hurricane was a long nightmare.
这次飓风令人担惊受怕了很久。

3. stem vt. 阻止；封堵；遏止
例句：You must stem the flow of blood from the wound.
你必须止住伤口流血。

4. appearance n. 出现, 显露, 露面, 演出, 出庭
例句：The sudden appearance of a policeman caused the thief to run away.
警察突然出现, 小偷就逃跑了。

5. negative adj. 消极的, 非建设性的
例句：You can't learn anything with negative attitude.
你用消极的态度什么也学不到。

6. consumption n. 消耗;用尽
例句：This food is for our consumption on the trip.
这些食物供我们旅途中吃。

7. spread v, 传播；散布；蔓延
例句：The disease was spread in the small town.
这种疾病曾在这个小镇传播蔓延过。

8. release vt.释放; 放开；发布; 发行; 发售
例句：Release the dog.He has been chained up for hours.
把狗放开, 它已被拴了好几个钟头了。

9. disrupt vt.使混乱, 扰乱
例句：An accident has disrupted railway services into and out of the city.
一场事故使得进出该城市的铁路交通陷入混乱。

10. confiscate vt.没收, 充公
例句：The government confiscated the land.
政府征用了那片土地。

11. infectious adj. 传染的, 有传染性的
例句：Influenza is an infectious disease.
流感是一种传染病。