据福克斯新闻：特朗普政府官员称，伊朗似乎在拖延谈判，没有取得具体进展，同时还在推进其核计划。

Core Insights - The Trump administration officials indicate that Iran appears to be stalling negotiations without achieving specific progress while simultaneously advancing its nuclear program [1] Group 1 - Iran is perceived to be delaying negotiations [1] - There is no concrete progress reported in the talks with Iran [1] - Iran continues to advance its nuclear plans despite the stalled negotiations [1]