The seven 7 participating countries are the United States, Japan, Britain, Germany, France, Italy and Canada.The day long daylong meeting at the U.是什么意思_The seven 7 participating countries are the United States, Japan, Britain, Germany, France, Italy and Canada.The day long daylong meeting at the U.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句