CNN news 2010-05-24 加文本

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例句：Only the united struggles of the people of the world can check aggression and save peace.
      只有全世界人民的团结斗争能制止侵略, 挽救和平。

      The military exercise was condemned as an act of aggression.
      这次军事演习被谴责为一种挑衅。

2.involve v.使参与, 牵涉

例句：The demonstration involved 200 students.
      有200名学生参加了这次示威游行。

3.barrier n.分界线；隔阂；障碍

例句：You must show your ticket at the barrier.
      必须在检票处出示票。