| 单词 | 光二极管 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔LED〕A semiconductor diode that converts applied voltage to light and is used in digital displays, as of a calculator.发光二极管：一种半导体二极管，可将实用电压转变成亮光，用于数字显示，如计算器美国传统〔communicator〕An electronic device enabling individuals with physical disabilities to communicate through LED displays, printed or electronic messages, or synthetic speech.发报器：电子仪器，能使有身体障碍的个人透过发光二极管显示器、印刷的或电子的讯息、或综合的谈话来沟通美国传统〔led〕A single red LED shows that the power is switched on.单支红色发光二极管表示电源已接通。牛津高阶 |
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