under it, iran would give up most of its uranium stockpile in return for enriched fuel for a medical reactor.
根据这份合约,伊朗将放弃它的大多数储备铀以换取医用反应器的高浓度燃料。
but iran「s response to brazil」s offer to serve as a neutral repository for iran's stocks of enriched fuel as part of an attempt to revive a mooted solution to the nuclear stalemate has been vague.