洛克灰纹理奔放自如，像是笔尖最后一缕的墨迹变幻莫测，刻画出独特的生命力，给人一种强烈的视觉震撼
The texture of Rock Grey is unrestrained and unrestrained like the last strand of ink on the pen tip which is unpredictable portraying a unique vitality and giving a strong visual shock.