英语词汇“educational television”是什么意思，“educational television”的读音、用法及例句翻译-烛光网

词汇	educational television
释义	educational televisionn.（名词）abbr. ETV【缩写】 See public television 参见 public television An often closed-circuit video system that provides instructional material.教育电视：通常以闭路形式提供教学材料的视像系统
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