毛笔
铅笔
钢笔
粉笔
chalk [tʃɑːk]
n.白垩；(白色或彩色的)粉笔v.用粉笔写(或画)
例句：With a stick of chalk he wrote her order on a blackboard. 句意：他用一截粉笔将她的指示写在黑板上。
