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Brief introduction: blackboard background, chalk handwritten font, chalk hand-painted teaching related icons, graphics, charts, general ppt template suitable for graduates' reply and paper defense report.
Simple ink smudged Chinese style work report PPT template, Chinese s...
Europe and the United States snow mountain lake forest background na...
Description: Hand-painted stars, planets, cute kids driving small sp...
Black oil brush touches petals triangle background art fashion PPT t...
Description: antique nostalgic paper background, lotus leaf, lotus, ...
Simple and fresh blue flower background art design PPT template, art...