Classic, school, green chalkboard with wooden frame, with marks and scratches from chalk.

相关关键词

做广告, 脊背, 背景, 背景, 横标, 黑板, 空白, 黑板, 粉筆, chalkboard, 用粉笔写董事会, chalkboard background, 阶级, 经典, 课室, 院校, college classroom, 颜色, 龌龊, 绘画, 粉末, 求学, 霩, empty classroom, 清除, 考试, 魁首, 骨子, 绿色的, grungy, 闻见, 學習, 课业, 音耗, 花样, 现实, 磨擦, 黉, school background, 科學, 白手起家, 墨渍, 海绵, 门生, 考查, 表面, 范本, 课文, 质感, 矢量, 牆壁, 颢, 抹, 木頭, wood frame, 畫