词汇

1. swine flu 猪流感

2. precaution n. 预防措施

I took the precaution of locking money in the safe.
我把所有的钱都锁在保险箱里以防万一。

3. step up 走上； (使)增加， (使)加快速度

The chairman stepped up and declared the meeting open.
主席登上讲台, 宣布开会。

The girl stepped up to school.
女孩子加快步伐去上学。

4. quarantine n. (人或动物生病之后被隔离的)检疫期；vt. 对…进行检疫隔离

The ship is still in rigorous quarantine.
该船仍在接受严格的隔离检疫。

5. infect vt. (受)传染； 污染； 影响

Dirt infected an open cut.
尘土会使敞露的伤口受到感染。

Waste gases infected the air.
废气污染了空气。

Mary's high spirits infected all the girls in the class.
玛丽的兴致感染了全班的女孩。

6. panel n. 专门小组

A panel of experts gave its opinion on ways to solve the traffic problem.
专家小组就如何解决交通问题发表了意见。

7. intensify vt. & vi. (使)增强, (使)加剧

The drought has intensified.
旱情加剧了。

8. surveillance n.盯梢, 监视

The police have been keeping her under surveillance.
警察一直把她置于监视之下。