为了探究叶片气孔与植物蒸腾作用的关系小丁选取大小相当叶片数量相同的两枝条放入装有等量清水的ab两个烧杯中用凡士林依照下图对叶片进行 Template




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sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )


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tomski为了探究叶片气孔与植物蒸腾作用的关系小丁选取大小相当叶片数量相同的两枝条放入装有等量清水的ab两个烧杯中用凡士林依照下图对叶片进行 coloring