| 释义 |
ne.onH5ni:7Bn, $-B:nn [U]a rare colourless gas which has no smell, does not react with other chemicals, and shines red when an electric current goes through it氖Neon lights and signs consist of glass tubes filled with neon, and are often used for advertising because the tubes can be bent into unusual shapes.霓虹灯和标牌由充氖气的玻璃管制成，并经常用来做广告牌，因为这些管子能被弯曲成特殊的形状。
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