名词
中文翻译：氢灯
同义词：
['hydrocarbon lamp', 'hydrogen-filledlamp']
例句：
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1. The newhydrogen lamps are much more energy efficientthan traditional ones.
新型氢灯比传统灯具更节能。
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2. The scientist used a hydrogenlamp to illuminate the dark room.
科学家使用了一个氢灯来照亮黑暗的房间。
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3. Thehydrogen lamp was the only source of lightin the dark room.
在黑暗的房间中，氢灯是唯一的光源。