BBC news 2009-12-05 加文本

1.Brazil who will start as one of the favorites have been drawn in a tricky looking group comprised of Portugal, North Korea, and Ivory Coast regarded by many as Africa's best chance of winning the tournament.

comprise of由...组成

例句：Women comprise the majority of the nursing staff in any hospital.
      在任何一家医院里妇女都占护理人员的大多数。

2.The man alleged to have shot the Guinean leader, Lieutenant Aboubacar Sidiki Diakite, is apparently still at large.

at large逍遥法外的

例句：The soldier reported that a prisoner was at large.
      士兵报告说一名囚犯在逃。

      The escaped prisoner is still at large.
      那个逃犯仍逍遥法外。

3.So far, Guinea's military government is standing firm in the absence of its head, but this is by far its most serious test.

in the absence of无…时,缺少…时

例句：People will stifle in the absence of air.
      缺乏空气之下人们会窒息。

4.In Britain, the Ministry of Defense has closed down the unit that investigated reports of unidentified flying objects (or UFOs).

close down关闭,封闭,停止播音

例句：The old factory will have to close down.
      旧工厂将必须停工。