One famous work of science fiction is “Ringworld”, by Larry Niven.

《环形世界》是一部著名的科幻小说，作者是拉瑞·尼文。

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This would include building huge structures in space such as a Dyson sphere or a star-girdling "ringworld," as envisioned in the 1970 Larry Niven sci-fi story of the same name.

这就需要建造一个巨大的戴森球，或是围绕恒星的环形世界，就如同拉里·尼文在其同名科幻小说《环形世界》中想象得那样。

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