For Mr Obama this was part of a vision of a non-nuclear world.For the Russians, it was an opportunity to preserve some semblance of nuclear parity.是什么意思_For Mr Obama this was part of a vision of a non-nuclear world.For the Russians, it was an opportunity to preserve some semblance of nuclear parity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句