7、elegate,delegation,summit峰会,declaration sponsor,resolvetheirdifferences消除分歧,promotepeace促进和平,boosteconomicco-op加强经济合作 makeconcession/compromise作出妥协,passaresolution通过决议,vetoabill否决议案,breakthedeadlock打破僵局 ascientificbreakthrough科学突破,anunexpectedoutcome出乎意料的结果 sig
8、n/ratifyanaccord/deal/treaty/pact/agreement签署协议 diplomaticallyisolatedcountry在外交上被孤立的国家,diplomaticsolutions外交解决方案,militaryoption军事解决途径(动用武力), e