根据搜索结果，介绍小白兔的英语短文可参考以下内容，结合权威性和简洁性要求整理如下：

一、基础描述（5-6句）

外貌特征

The little white rabbit is covered with snow-white fur, with long ears and a small, round head. Its eyes are bright red, and it has a fluffy tail.

性格特点

It is a cute and social animal, enjoying the company of other rabbits. It communicates through body language and is known for its gentle demeanor.

二、扩展描述（7-8句）

行为习性

The rabbit is a fast runner, capable of hopping up to three feet in a single bound. It uses its powerful hind legs for jumping and long ears to detect predators. When threatened, it freezes until the danger passes.

生活场景

Living in a forest or home, the white rabbit is often seen nibbling on grass or carrots. Its fluffy fur provides insulation, keeping it warm in cold environments.

三、注意事项

语言简洁：

优先使用5-6句完成基础介绍，避免冗长。

词汇准确：注意使用"fluffy"（毛茸茸）、"ruby eyes"（红眼睛）等高频词汇增强表现力。

逻辑清晰：外貌、性格、习性按顺序排列，便于阅读理解。

以上内容可参考权威来源并灵活调整句式，满足不同场景需求。