Instead, the online materials appear to be only whetting appetites for more.
反之，似乎是唯一的网上资料更助长馒头。
But nanotubes have other qualities that are whetting the appetites of engineers: they're excellent conductors of electricity and heat, and they can be used as wires, semiconductors or superconductors.
但是纳管还具有其他的品质，吊起了工程师们的胃口：它们是电与热的优良导体，可以用作电线、半导体或超导体。
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