来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/18 02:50:47
电灯泡是怎样发明的 英语作文
The invention of electric light\r\nBefore the advent of the electric light, the widespread use of lighting tools candles, kerosene or gas lamps. September 1878, Edison invented the electric light deci...