The material relies on two substances: liquid dicyclopentadiene, a common ingredient of plastics, and a catalyst (the researchers 'proprietary secret) that causes dicyclopentadiene to harden.
前者是塑料的普通成分，后者则是研究者的专利秘密，可使二环戊二烯变硬。
The material relies on two substances: liquid dicyclopentadiene, a common ingredient of plastics, and a catalyst (the researchers 'proprietary secret) that causes dicyclopentadiene to harden.
前者是塑料的普通成分，后者则是研究者的专利秘密，可使二环戊二烯变硬。
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