bulb - Google 검색

bulb - Google 검색

電球 - Google 검색

電球 - Google 검색

電球 - Google 검색

電球 - Google 검색

電球 - Google 검색

電球 - Google 검색

Livermore_Centennial_Light_Bulb.jpg (1024×1536)

A light bulb is a very important object in our daily life because it helps us to see in the darkness and also give us heat. The light bulb works with electricity and transform it into light and heat

전구 - Google 검색

전구 - Google 검색

전구 - Google 검색

전구 - Google 검색

전구 - Google 검색

전구 - Google 검색

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