谈判未能打破僵局，伊朗坚称以色列停止袭击是与美会谈前提

Core Viewpoint - Negotiations between Iran and European leaders have failed to yield concessions from Iran regarding its nuclear program, with Iran insisting that Israel must cease its attacks as a precondition for resuming talks with the U.S. [1] Group 1: Negotiation Dynamics - The Trump administration is considering whether to join Israel in its military actions against Iran, amidst increasing pressure from European nations for Iran to halt its uranium enrichment activities [1] - Iranian Foreign Minister maintains that Iran has the right to enrich uranium and will not engage in nuclear negotiations with the U.S. until Israel stops its attacks [1] Group 2: Military Actions - Israel shows no signs of halting its military operations, with the Israeli military chief stating that the country must be prepared for a prolonged conflict with Iran [1]