冯德莱恩称欧洲愿继续与乌美合作，强调安全保障重要性

Core Viewpoint - The European Commission President Ursula von der Leyen announced a productive one-hour call with U.S. President Trump, Ukrainian President Zelensky, and several European leaders regarding the Russia-Ukraine issue, indicating a positive development in the discussions [1] Group 1 - The meeting between the U.S. and Ukraine on the Russia-Ukraine issue was well-received by the European Union [1] - Von der Leyen emphasized the importance of "ironclad" security guarantees from the outset of the cooperation with Ukraine and the U.S. [1] - The EU is committed to continuing collaboration with Ukraine and the U.S. to solidify the progress made during the discussions [1]