名词中文翻译
中文翻译：真空管
同义词：
['vacuum tube', 'vacuum oscillator']
例句：
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1. The vacuum tube was the first electronic device invented by Edison.
真空管是爱迪生发明的第一种电子装置。
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2. The vacuum tube is used in televisions and radios to amplify sound signals.
真空管用于电视机和收音机中放大声音信号。
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3. The vacuum tube is a complex electronic device that can produce high-frequency waves.
真空管是一种复杂的电子设备，可以产生高频波。