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[美国小学英语教材6] 美国小学英语教材6:第214课 电灯的五十周年纪念(3)
It all began far back in the days when a thoughtful child asked many, many questions.2019-09-19 编辑：Wendy
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[美国小学英语教材6] 美国小学英语教材6:第215课 电灯的五十周年纪念(4)
So Edison reached the time when he decided to go into business for himself.2019-09-25 编辑：shaun
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[美国小学英语教材6] 美国小学英语教材6:第213课 电灯的五十周年纪念(2)
People in all parts of the world listened to the program over the radio. It was the result of many months of planning.2019-09-18 编辑：Wendy
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[美国小学英语教材6] 缇庡浗灏忓?鑻辫?鏁欐潗6:绗
The wizards of olden times worked their magic by rubbing lamps, waving wands, or some other trick, The whole world has been made happier and more comfortable by his magic.2019-09-17 编辑：Wendy
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[美国小学英语教材6] 美国小学英语教材6:第220课 电灯的五十周年纪念(9)
The brilliant rays of our modern lamp call to mind that far-off Time when a young inventor toiled by the light of flickering gas to free the world from darkness.2019-10-06 编辑：shaun
