Because the skins of bananas and oranges are easy to peel off, and the skins are relatively clean, you can eat the pulp after peeling off. The surface of the apple is talented, and there are pesticide residues, which need to be soaked and washed. Peel and eat without washing. Watermelon surface is not clean. After washing, cut and eat. Or wash it first and then dig it. After answering so many questions, let's adopt it!