单词 neon 释义 neon|nin|[Gr. neut. of new.]1. Chem. One of the inert or noble gases, which is present in low concentration in the earth's atmosphere and is used at low pressure in discharge tubes, where it emits an orange-red glow. Atomic number 10; sy...
单词 neon 释义 neon 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]. =>A...