爱迪生在寻找灯丝材料的过程中，做了1200次试验，失败了1200次。

Edison looking for filament materials in the process, do 1200 tests failed 12 times.

youdao

正是因为心中始终有一盏灯，爱迪生才会在一千多次的失败后仍坚持不懈的寻找电灯丝材料；

It is precisely because there is always a light heart, Edison's failure to appear in 1000 after many tireless search for lamp filament material;

youdao

一种通过灯丝受热而发光的电灯泡，灯丝材料通常是钨，受热达到发出黄色或白色光的温度。

An electric light bulb that produces light by heating a filament, usually of tungsten, to a temperature at which yellow or white light is produced.

youdao