neon

霓虹灯；氖（10号元素，符号Ne）英释中释na colourless gas that is found in small quantities in the air and is used in glass tubes to produce a bright light in electric advertising signs. It is a chemical element: symbol Ne

1 neon light,n. 霓虹灯

2 neon lamp,[电]霓虹灯

3 neon sign,n. 霓虹灯（广告牌）

1 Inert gases like neon and argon have eight electrons in their outer shell..像氖和氩这样的惰性气体，在它们的外电子层有8个电子。