翻译和例句：
make light by using electricity toheat(加热) a thin piece ofmaterial(材料) (called afilament(灯丝) until ……
.Lightbulbs make light by using electricity to heat (加热) a thin piece of material (材料) (called a filament (灯丝 ……
) before designing it correctly.It is said Edison tried over 1,600 materials to get the rightfilament(灯丝 ……
making the light bulb. He tried over 1,600 different kinds of material1 to get the right filament (灯丝 ……
making the light bulb. He tried over 1,600 different kinds of material1 to get the right filament (灯丝 ……
(灯丝) that burn outs, so they have a much longer lifespan (寿命). While incandescent bulbs last an ……
it correctly.2. It is said Edison tried over 1,600 materials to get the right filament (灯丝...,600 materials to get the right filament (灯丝) for the light bulb. He even used things like the hair ……
.II. 发明过程II. 发明过程1. It is said Edison tried over 1,600 materials to get the right filament (灯丝... tried over 1,600 materials to get the right filament (灯丝) for the light bulb. He even used things like ……
地) thousands of experiments to find out which type of material was suitable for making the filament (灯丝 ……
地) thousands of experiments to find out which type of material was suitable for making the filament (灯丝 ……
地) thousands of experiments to find out which type of material was suitable for making the filament (灯丝 ……
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