自去年5月美国总统特朗普退出核协议，并对伊朗实施制裁以来，伊朗正在逐步违反2015年与大国达成的核协议的限制。
Since the US President Trump withdrew from the nuclear agreement in May last year and imposed sanctions on Iran, Iran has been gradually violating the restrictions on nuclear agreements reached with major powers in 2015.