User 对象将是非常基本的：仅仅是一个名称和与 Twitter 的 OAuth 实现相关的两个属性，我们将充分利用其直观的授权方法。
The User object will be pretty basic: just a name and two attributes related to Twitter's OAuth implementation, which we'll leverage for its intuitive approach to authorization.
这是一个非常基本的例子，展示了可以使用X3D实现哪些功能，而不用深入钻研更高级的问题，例如打光、动画和脚本。
This is a very basic example of what you can accomplish using X3D, without delving into the more advanced issues like lighting, animation, and scripting.
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