Chalkboard Sudoku黑板数独
Chalkboard Helmet小黑板头盔
chalkboard alien黑板外星人
Chalkboard Car暂时充当黑板的汽车
Chalkboard Stunts黑板赛车
Chalkboard Template黑板模板
Chalkboard Nausea黑板恶心
Chalkboard Pong黑板小球
N-COUNT(可数名词) A chalkboard is a dark-coloured board that you can write on with chalk. Chalkboards are often used by teachers in the classroom. 黑板 [美国英语]