今天我们要学的词是 boundary. Boundary 做为名词,有界线的意思。Senate investigators accused the CIA of inflicting suffering on al-Qaida prisoners beyond America's legal boundaries. 美国国会参议院调查人员指责美国中央情报局对基地在押者施加酷刑的做法超越了美国法律许可的限度。针对美国总统奥巴马发表的移民行政令,Opponents say Obama has overstepped the boundaries of his authority. 反对者说,奥巴马超越了他的总统权限。好的,今天我们学习的词是 boundary, boundary, boundary...