柯林斯詞典roughage /?r?f?d?/ 1. N-UNCOUNT Roughage consists of the tough parts of vegetables and grains that help you to digest your food and help your bowels to work properly. 粗糧 返回 roughage劍橋詞典→? fibre (FOOD) 纖維素(同 fibre) 返回 roughage