| 释义 |
氖nǎi气体元素,符号Ne(neonum)。无色无臭无味,大气中含量极少,化学性质不活泼。放电时发出红色光,用来制霓虹灯等。{neon (Ne); colourless, smellless, tasteless and chemically inert gaseous element occurring in small amounts in the earth's atmosphere, emitting a reddish light when discharge electricity, and used therefore as a material for the making of neon lamps;}通称{popularly known as}氖气{nǎiqì}。 |