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i u ü y w 课文 部编版一年级语文上册教学视频 第7课
i u ü y w：看一看 y—i→yi w—u→wu y—?→yu 大y拉小i, 大w拉小u, 小ü见到y, 记一记 组成音节yi(衣) 组成音节wu(乌) 组成音节yu(鱼) 读一读
部编版一年级上册语文在线视频教程7/40
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