Half the patients were on a low-calorie, low-fat diet and half were on a low-calorie, low carbohydrate diet.是什么意思_Half the patients were on a low-calorie, low-fat diet and half were on a low-calorie, low carbohydrate diet.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句