The U.S. military has a system under which each region of the world is overseen by a specific command, such as the Pacific Command, Central Command and so on.是什么意思_The U.S. military has a system under which each region of the world is overseen by a specific command, such as the Pacific Command, Central Command and so on.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句