Last week, U.S. President Barack Obama decided to release memos that detailed CIA interrogation methods, including sleep deprivation and waterboarding -- a technique that simulates drowning.

• 美国总统奥巴马上星期决定公开详细说明美国中央情报局审讯方法的有关文件；这些审讯方法包括剥夺睡眠和一种模拟溺水等方式。