User:请从我描述的文字总结出对应的提示词或者标签：艺术作品中绘制在物体附近或周围的线条，用于表示运动。例子如下：1. The swirling lines around the dancer's body portrayed the graceful movement.舞者身体周围盘旋的线条描绘了优美的舞蹈动作。2. The speeding car was depicted with dynamic lines to show its velocity.速度飞快的汽车被描绘成了动态的线条，以展示它的速度。3. The artist used curving lines to convey the flowing motion of the river.艺术家利用曲线的线条传达了河流流动的动态。4. The jagged lines drawn around the falling objects revealed the suddenness of the descent.绘制在下落物体周围的锯齿状线条揭示了降落的突然性。5. The lines swirling around the bird's wings suggested its soaring through the sky.围绕鸟翅膀盘旋的线条暗示了它在天空中翱翔。

Assistant:motion_lines