蓝色背景上许多气泡的概念视频 Conceptual video of many bubbles on a blue background

概念画面中，气泡在场景中随机滑动，而蓝色的旋转液体在背景中缓慢地失去焦点。

Conceptual footage of bubbles gliding randomly through the scene while a blue swirling liquid flows very slowly out-of-focus in the background.