2. Practice: Wash and peel the apple, cut it in half, and then cut it into small pieces. Wash the cucumber, cut it into small pieces, put it in a blender, and add the apple pieces. Stir the lemon juice evenly and pour it into the cup. Add a proper amount of crystal sugar to the cup and stir well.

3. Efficacy: Cucumber is rich in water and vitamin C, which has the functions of relieving summer heat, quenching thirst, helping digestion, lowering cholesterol, beauty beauty, and inhibiting the conversion of sugar into fat, thus achieving a good weight loss effect.