Duncan Kennedy

The Mexican government has advised migrants driving home from the United States for the winter holidays to form convoys for their own protection as they pass through Mexico.

He said they should also travel only during daylight hours. Mexico's northern border states are experiencing high levels of drug-related violence, making it dangerous to travel on some major highways.

That's the BBC News.

1.stampede n.(畜群)惊逃,奔逃

例句：Several children were pushed over in the stampede.

有几个小孩在惊慌逃奔中绊倒了。

2.austerity n.(经济的)紧缩; 严格节制消费

例句：War was followed by many years of austerity.

紧随战争的是多年的经济紧缩.

3.enactment n.设定;制定;条例;法令

4.dissolution n.(社团等)解散;(婚约等的)解除

例句：the dissolution of marriage

解除婚姻

the dissolution of Parliament

国会解散

5.undertake vt.担任, 承揽, 从事, 负责; 保证

例句：I want you to undertake all the responsibility.

我要你承担所有的责任。

6.stunning adj.了不起的,出色的,漂亮的；极有魅力的，给人印象深刻的

例句：The audience was awed into silence by her stunning performance.