ruthenium
🇺🇸
/ruːˈθiːniəm/
🇬🇧
/ruːˈθiːniəm/
noun
R
A hard, silver-white metal that is brittle and found in platinum ores.
Ruthenium is a rare metal used in electronics and chemical catalysts.
钌是一种稀有金属，用于电子和化学催化剂。
translation
钌