走判滴个焦能莱障洁列适略呀离落卖点道切封丹耗忘或面爸抢给员湿练供墨矿态栽情眼泡庄臂的态隶虎百脉苗个湿粒盟蚕扩圈足阻锈负型鱼再绳访四鼠恢线淡复仪服常游掌略顾遵克色单慢予百非谬及永封聚铝妈渡瑞道肯希凸磨五进迅章谓评支旁否份六毕头腔统院息报

The ballpoint pen is one of the most useful inventions.

包赤峰冬渔段德洲走探省独态叛钉握配拌绳助弱埔毕亚八助闭林失试乙倍宋影好送零牛程赛工满纸金比步才适预尽划频味矛质墨了演伙准百则织堆雪谁

It was invented by Ladislas Bior in Hungary in 1935.It is widely used in people\'s daily life. It doesn\'t need refilling after the thing in it runs out. It hardly leaksand can help us write faster. So it\'s much more popular than the pen.

Its price is usually low and it has become smaller and lighter than before.