字词 | 氖 |
释义 | ㄋㄞˇ一种化学元素,在通常条件下为气体,符号 Ne,无色无臭,不易与其他元素化合。真空管中放入少量的氖气,通过电流,能发出红色的光,可做霓虹灯 neon, a chemical element, normally in the form of gas, colourless, odourless and hard to form compounds; emitting a red light when passed through by electric current in a vacuum tube, called neon lamp; symbol: Ne |
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