🔍 牛津詞典 🎯
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:

ruthenium

noun
/ruːˈθiːniəm/
/ruːˈθiːniəm/
[uncountable]
(symbol Ru)
jump to other results
  1. a chemical element. Ruthenium is a hard silver-white metal that breaks easily and is found in platinum ores.
    Word Originmid 19th cent.: modern Latin, from medieval Latin Ruthenia named after the Ruthenes (from medieval Latin Rutheni), a Slavic people, ancestors of the Ukrainians. The metal was so named because it was discovered in ores from the Urals.

👨🏻‍🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
切換為繁體中文
Site Uptime