名词
中文翻译：空心阴极灯
同义词：
['vacuum tube', 'vacuum lamp']
例句：
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1.The hollow-cathode lamp was the main source of light in the dark room.
空心阴极灯是黑暗房间的主要光源。
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2.The hollow-cathode lamp was used to illuminate the stage during the performance.
空心阴极灯在表演期间被用来照亮舞台。
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3.The hollow-cathode lamp was a popular choice for lighting up outdoor events.
空心阴极灯是户外活动照明的热门选择。