Summer anti-drowning theme education class meeting PPT template
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Summer anti-drowning theme education class meeting PPT template
PPT background image, blurred emerald green background, wi...
The PPT background picture is a yellow-green PPT backgroun...
PPT background picture, blurred background, purple flowers washed ...
The PPT background image is a light pink color, a cluster of heart...
There is a snowman wearing a red hat and holding a red gif...
PPT background picture, blue sky, green land, vine plants ...