The Obama administration is defending the terms of its tentative nuclear agreement with Iran. U.S. Secretary--Under Secretary of State for Political Affairs Wendy Sherman has told a Jewish group that the pact would include the "most extensive monitoring" the United States has ever negotiated with any country. _________________________________________________________________ 奥巴马政府正在为其与伊朗签定的临时核协议条款进行辩护.负责政治事务的美国国务卿次长温迪.谢尔曼告诉一犹太团体说此协议包含的"最广泛的监控条款",此前美国从未与它国达成过如此条款. __________________________________________________________