thoron
/thawr-on, thohr-/US // ˈθɔr ɒn, ˈθoʊr- //UK // (ˈθɔːrɒn) //
索隆,钍,索伦,荆棘
Definitions
n.名词 noun
- 1
Chemistry.
- : a radioactive isotope of radon, produced by the disintegration of thorium. Symbol: Tn; atomic weight: 220; atomic number: 86.
Examples
But the crusaders embarrassed themselves with the siege of the castle of Thoron.
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