Thomas Edison failed thousands of times before he succeeded in producing the first electric lamp.
Thomas Edison failed thousands of times before he succeeded in producing the first electric lamp.
译：托马斯。爱迪生失败了成千次才成功制造了第一盏电灯。
Thomas Edison failed thousands of times before he succeeded in producing the first electric lamp.
译：托马斯。爱迪生失败了成千次才成功制造了第一盏电灯。