在成功发明第一个白炽灯泡前，托马斯·爱迪生经历了上万次的实验失败。
Thomas Edison conducted more than 10,000 failed experiments before turning on the first incandescent light bulb.
尽管一路上有困难艰辛，这对于我们又算什么呢？ 你知道爱迪生为发明电灯泡经历了多少次失败吗？
Do you know how many times Thomas Edison failed before he invented the lamp?
爱迪生在选做灯丝的材料时，经历了上千次失败。
Edison's filament in the election material so experienced the failure of thousands of times.
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