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Training video for the second session of the Southern Polytechnic PPT Club Competition (coordinate positioning seamless translation effect)
This is an elegant pink micro-dimensional paper flower PPT backgroun...
This is a group of black background planet sky cosmic PPT background...
This is a group of transparent blisters starry water grass PPT backg...
This is a blue background glowing snowflake aesthetic PPT background...
This is a green ginkgo biloba plant PPT background picture, homePPT ...
This is a group of sunshine foliage plant PPT background picture, ho...