英语介绍水果，可以按照以下步骤：

1. 开头

Today, I'd like to talk about one of my favorite fruits - apples.

或者：

2. 描述

接着，可以对这种水果进行简单的描述，比如：

Apples are round and come in different colors such as red, green, and yellow. They are sweet, crispy and juicy, and can be eaten raw or cooked.