论文部分内容阅读
“银狐”非常喜欢跑转轮,轻快而优雅。“布丁”则喜欢在木屑中挖洞,还喜欢吊挂在鼠笼顶端的横栏上练臂力。
“Silver Fox ” very much like running wheels, light and elegant. “Pudding ” like digging holes in sawdust, but also like to hang on the top of the squirrel cage on the horizontal bar.