最简单的水果怎么说英语

The simplest fruit in English is probably the apple. You can say "apple" to refer to a single fruit, or you can use the plural form "apples" to refer to multiple fruits. Here are some other common fruits and their English names:
Banana: 香蕉
Orange: 橙子
Strawberry: 草莓
Lemon: 柠檬
Watermelon: 西瓜
Mango: 芒果
Pineapple: 菠萝
I hope this helps! Let me know if you have any other questions.