3D渲染医学科普风格人体膝关节解剖结构半透明骨骼与

A close-up illustration of the knee joint in motion, with an open window for the surrounding bone structure visible, set against a light blue background. The scene is captured from behind and showcases energy waves emanating around it. The focus is on realistic details to highlight movement and strength within the body, close-up, realistic photography, soft colors, light theme