以官员：伊朗部分浓缩铀在美以空袭中幸存

Core Viewpoint - A senior Israeli official revealed that some of Iran's weapon-grade enriched uranium stored underground survived the recent US-Israel airstrikes, potentially still available for Iranian nuclear engineers to use [1] Group 1: Israeli Military Actions - Israel's military actions were prompted by intelligence indicating Iran's secret acceleration of nuclear weapons development, which was detected as early as last year [1] - Following the assassination of Hezbollah leader Hassan Nasrallah, Israeli intelligence agencies monitored Iranian nuclear activities, leading to the formulation of an "independent action" plan by Prime Minister Netanyahu [1] Group 2: US Intelligence Assessment - During the period of Israeli strikes against Iran and the involvement of former President Trump, US intelligence officials reported no evidence of Iran weaponizing enriched uranium [1]