1、The light of an electric lamp come from an incandescent filament.
電燈光亮來自白熱的燈絲。

2、This wire inside an electric lamp is not made of copper but it is made of tungsten.
電燈里面的電線不是銅絲而是鎢絲。

3、The electric lamp was invented by Edison.
電燈是愛迪生發(fā)明的。

4、The light of an electric lamp comes from an incandescent filament.
電燈光亮來自白熾燈絲。