To be exact,every minute more than 130 million gallons of water plunge to the bottom of the gorge over 320 feet down.是什么意思_To be exact,every minute more than 130 million gallons of water plunge to the bottom of the gorge over 320 feet down.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句