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. 在城市的各個(gè)廣場上，霓虹燈交替閃爍。

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. 像氖和氬這樣的惰性氣體，在它們的外電子層有8個(gè)電子。