| 单词 | light emitting diode (LED) |
| 释义 | light emitting diode (LED)Definition Electronic device that emits light when electric current flows through it. Older LEDs were made from semiconductor material such as gallium arsenide and produced only a few colors (mainly red or green). Newer LEDs are made from synthetic materials such as p-phenylenevinyl and can produce light of any color. LED-based lighting bulbs that consume little current and last for decades are under development. Use 'light emitting diode (LED)' in a SentenceThe light emitting diode was really cool to me and my friend and I wondered how to make one on my own. The light emitting diode technology was used for the display as our engineers recommended this to be best for the project. You need to know if something has a light emitting diode if you are supposed to be storing something else in a dark place. |
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