The white-hot beams of disruptive light could cut through any known substance, provided that substance was not shielded.

白热的破坏光束可以穿透任何已知物质，只要该物质没有被屏蔽。

Although it’s the best known substance for nurturing life, water isn’t necessarily the only medium that can support living things.

虽然水是最著名的滋养生命的物质，但它不一定是唯一可以支持生物生存的介质。

It is not so easy to explain what he meant by the boundless, but it seems clear that he was not thinking of a known substance in the way that Thales had envisaged.

要解释他所谓“无限”的意思并不容易，但很明显的他并不像泰利斯一样认为世界是由一种物质造成的。

However, Dyson also believes that most known substances that would make up a Dyson Sphere would be re-radiating energy in the infrared part of the electromagnetic spectrum, which was not being detected with our mysterious star.

然而，戴森还认为，大多数已知的能组成戴森球的物质，将在电磁波谱的红外部分重新辐射能量，而我们的这颗神秘恒星没有被探测到。