春运:世界上最大型的人口迁徙

2. approach v. 接近, 走近, 靠近
例句：Christmas was approaching.
圣诞节快到了。

3. reunite v. (使某人或某物)再次联合, 重聚
例句：She is trying her best to reunite with her father.
她想方设法与父亲团聚。

4. cancel vt.取消, 废除
例句：We were all disappointed to learn that the picnic had been cancelled.
我们得知这次野餐已经取消, 都感到很失望。

5. delay vt. 耽搁;延误
例句：The accident delayed the train for two hours.
事故使火车耽搁了两小时。

6. launch vt. 开办;发起;使开始从事
例句：We launched a new project.
我们开始从事一个新项目。

7. crash v. 死机
例句：The PC just crashed.
那部个人电脑刚死机了。

8. complaint n.抱怨, 诉苦；投诉, 控告；疾病
例句：Our neighbours lodged a complaint against us with the police.
我们的邻居向警方控告我们。

9. option n. 可选择的办法
例句：The government has two options; to reduce spending or to increase taxes.
政府有两种选择的办法:或是减少开支, 或是增加税收。

10. channel n. 途径;渠道;手段
例句：You should go through the official channels if you want the government to help.
你应该通过正式渠道来争取政府的帮助。

11. exceed vt. 超过; 超越
例句：The demand for fish this month exceeds the supply.
本月的鱼市供不应求。