a substance that is added in small amounts to something, especially food, in order to make it last longer, look more attractive, or improve it in some way (尤指加入食品中以使之更长久保质、更诱人或更好的)添加物,添加剂
[C/U]a substance found in foods such as sugar, bread, and potatoes. Carbohydrates supply your body with heat and energy. 碳水化合物,糖类(存在于糖、面包、马铃薯等食物中,为身体提供热量和能量)
[U]the parts of fruit, vegetables, and grains that your body cannot digest (=change into substances it can use). It helps food to pass through your body (水果、蔬菜、谷物中含的)纤维
a type of solid fat such as margarineproduced when vegetable oils are changed by a chemical process. These fats are considered bad for your health because they increase your cholesterol level.
natural substances found in food that are necessary to keep your body healthy. Each vitamin is given a name using a letter of the alphabet, for example vitamin C which is found in many fruit and vegetables. A vitamin deficiency is a medical condition caused by lack of vitamins维生素;维他命
Apples contain several essential vitamins. 苹果含有好几种人体必不可缺的维生素。