neon
/ˈni:ɔn; `niɑn/ n[U]
chemical element, a colourless inert gas much used in illuminated signs because it glows with a bright light when an electric current is passed through it 氖
[attrib 作定语]
a neon lamp/light/sign 霓虹灯[霓虹灯光/霓虹灯广告]. =>App 10 见附录10.