noble gas
短语[医] 惰性气体
发音
其它
词形变化
noble gases
复数
noble gases
释义与例句
n.
-
1.
Any of the elements of group 18 of the periodic table, being monatomic, usually inert (with very limited exceptions), and gaseous at familiar temperatures.
稀有气体
惰性气体
化学