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(单词翻译:双击或拖选)
Before the light bulb was2 invented3, there was only a candle to light up a room. 在电灯泡未发明之前,只有蜡烛能照亮屋子。
The first light bulb lasted only 13 hours. 第一盏电灯泡的寿命只持续了13个小时。
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1
bulb
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n.电灯泡,球状物 | |
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2
was
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v.(is,am的过去式)是,在 | |
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3
invented
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n.虚拟v.发明,创造( invent的过去式和过去分词 );编造 | |
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4
finally
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adv.最后地;最终 | |
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5
later
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adv.过后,后来;adj.以后的,更后的,较晚的 | |
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6
developed
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adj.先进的;发达的(国家或地区) | |
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