neon

1. ADJ Neon lights or signs are made from glass tubes filled with neon gas which produce a bright electric light. 霓虹的[ADJ n]

In the city squares the neon lights flashed in turn. 在城市的各个广场上，霓虹灯交替闪烁。

2. N-UNCOUNT Neon is a gas which occurs in very small amounts in the atmosphere. 氖

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。