In 2004, BHP Billiton, the largest mining group in the world, posted turnover of US$9.6 billion.是什么意思_In 2004, BHP Billiton, the largest mining group in the world, posted turnover of US$9.6 billion.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句