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22世纪奥运会赛场的主会场形状是一棵绿色的大树。走进大树里面,首先映入你眼帘的是一台菊花造型的机器。这不是一台普通的机器,是一台可以释放氧气的机器。
The main venue of the Olympic Stadium in the 22nd century is a green tree. Into the tree inside, the first thing that catches your eyes is a daisy-shaped machine. This is not an ordinary machine, it is a machine that can release oxygen.