词汇	f-numbers
释义	f-numbers 'efnʌmbən.焦距比数原型f-number的复数
随便看	multilateral security cooperation multilateral security frameworks Multilateral security mechanism multilateral security pact multilateral security system multilateral serveillance multilateral settlement multi lateral settlement multilateral solution multilateral supervision multilateral surveillance multi lateral surveillance multi-laterals well multilateral symmetry multi lateral symmetry multilateral system multi lateral system for settlement multilateral system of payment multilateral system of settlement multilateral system of settlements multilateral talk multilateral talks multi lateral talks multilateral tariff multilateral tariff negotiation