我常常写错字,不少同学也有这个坏习惯,常常在作业本上涂上团团墨迹。为了还作业本以清洁的面貌,我想发明一种神奇的“橡皮钢笔”。顾名思义,“橡皮钢笔”就是带有橡皮的钢笔,橡皮安在笔帽处,它和普通的橡皮可不同,它由两根细小的吸水管组成,一根装着分解油墨的液体,一根 I often write typo, many students also have this bad habit, often painted in the homework on the group ink. In order to still work a clean face, I would like to invent a magical “eraser pen ”. As the name implies, “rubber pen ” is a pen with rubber, rubber in the pen cap, it is different from ordinary rubber, which consists of two small suction pipe, a liquid containing a decomposition of ink, a