| 单词 | light-emitting diode |
| 释义 | light-emitting diode From Longman Dictionary of Contemporary EnglishElectricity, Electricitylight-emitting diodeˌlight-emitting ˈdiode noun [countable] technical (abbreviation LED)a small electronic object that produces light when an electrical current is sent through it. Light-emitting diodes are used, for example, as lights on electrical equipment, and to make words and pictures on large screens. |
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