A spiral developed at first but rapidly faded away, leaving a bar.
A spiral developed at first but rapidly faded away, leaving a bar.
刚开始时的确发展出螺旋形状，但很快就消失不见，只留下一根棒子。
A spiral developed at first but rapidly faded away, leaving a bar.
刚开始时的确发展出螺旋形状，但很快就消失不见，只留下一根棒子。