劍橋詞典with a chemical structure that contains one double bond . Monounsaturated fat , for example olive oil , is thought to be healthier than saturated fat . 單不飽和的（其化學(xué)結(jié)構(gòu)只有一個雙鍵，據(jù)信單不飽和油脂，如橄欖油，比飽和油脂更健康） 比較polyunsaturated saturated fat unsaturated 返回 monounsaturated