| 单词 | rutheniums |
| 释义 | ruthenium /roo-thēˈni-əm/nounA metallic element (symbol Ru; atomic no 44) of the platinum group, found in the Ural Mountains ORIGIN: LL Ruthenia Russia ruthēˈnic adjective Of or concerning ruthenium, esp with a high valency ruthēˈnious adjective Of or concerning ruthenium, esp with a low valency |
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