neonKK [ˈniɑn] ｜ /ˈniɑn/
GEPT 中高級
C2noun
A colorless, odorless gas that is part of the group of noble gases; it is used in various forms of lighting, such as neon signs; atomic number 10.
The vibrant neon signs of the Las Vegas strip illuminated the night sky.
氖（惰性氣體）；霓虹燈