One well-known reason for this is that dietary fat converts to body fat more effciently than does protein or carbohydrate,but recently scientists have uncovered what appears to be an equally important factor.是什么意思_One well-known reason for this is that dietary fat converts to body fat more effciently than does protein or carbohydrate,but recently scientists have uncovered what appears to be an equally important factor.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句