BBC news 2010-01-20 加文本

1.The US military is increasing its operations in Haiti to help improve security and speed up the distribution of aid to survivors of last week's earthquake.

speed up加速,加快

例句：This should speed up the process of meeting basic need.
      应加速这一进程，满足需要。

2.Twenty helicopters carrying soldiers touched down near the shattered presidential palace in the capital Port-au-Prince.

touch down降落

例句：The plane touched down this morning.
      飞机在今早降落。

      Tornados are touching down all over the place.
      龙卷风即将袭击这整个地方。

3.....said crowds were clearly desperate to get the food and water his teams were dropping, but that no one had resorted to violence.

resort to诉诸于…,求助于,使用…

例句：The beggar at last resorted to the workhouse.
      那乞丐最终去了济贫院。

      I'm sorry you have resorted to deception.
      我很遗憾你竟用欺骗手段。

4.Colonel Galadima Shekari, a senior officer in charge of forces, told the BBC that the violence would be brought to a swift end.

in charge of负责,管理,掌管

例句：The sanitation department is in charge of garbage disposal.
      环境卫生部门负责处理垃圾。