20秒一个单词（第2367个）neon

neon /?ni??n/ n. 氖〔一种化学元素，标记为 Ne〕:

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例句/词组:

neon lights / signs
霓虹灯/倾销牌

英语表明：

a colourless gas that is found in small quantities in the air and is used in glass tubes to produce a bright light in electric advertising signs. It is a chemical ELEMENT.
氖〔一种化学元素，标记为 Ne〕: