Japan has plans to stockpile as many as 50 tons of plutonium, equal to an estimated 62,000 A-bombs of the Hiroshima type.是什么意思_Japan has plans to stockpile as many as 50 tons of plutonium, equal to an estimated 62,000 A-bombs of the Hiroshima type.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句