戴森球

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。