Article
收音機發聲低弱原因 - The reasons why the sound of your radio is low and weak

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: radio, technology, general knowledge,

Image
[No caption] -

Subject matters: Ornament,
Medium: Line drawing

Function: Unrelated to Article/Ad