complex carbohydrate
noun [ C ] biology specialized uk/ˌkɒm.pleks kɑː.bəʊˈhaɪ.dreɪt/ us/ˌkɑːm.pleks kɑːr.boʊˈhaɪ.dreɪt/
复合碳水化合物
a type of carbohydrate such as starch or cellulose that is is formed of many monosaccharides (= carbohydrates formed of molecules that cannot be broken down into a simpler form)