代码中定义了一个 primitives 对象，里面藏着 20 多种不同的几何体生成函数。让我们挑几个常用模型进行分析：
Presenter: Tom Whipple
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The 22-year-old tells Newsbeat it is "a bit upsetting" that BludFest is not staying in the UK as she feels it was "built on that British culture".
以物的连接实现人的联结，社会心态在交流中走向包容、在共情中实现理解