音标：['rʌfidʒ]
n. 粗饲料, 粗粮
【医】 粗糙食物
在线英汉词典

roughage的短语、例句：

roughage n[U] indigestible material in certain plants used as food (eg bran) that stimulates the action of the intestines, and helps the digestion of other foods 粗糙食物（不易吸收的粗纤维, 如糠、 麸, 可刺激肠蠕动, 有助於消化他种食物）.