随着电脑的普及随着电脑的普及,我们用笔写字的机会越来越少,除了上学和做作业之外,很少有人愿意用笔写字愿意用笔写字。我想发明一种多功能又有趣味的笔,这样大家就喜欢用笔写字了。不论是钢笔还是圆珠笔不论是钢笔还是圆珠笔,在使用的过程中,需要灌墨水或换笔芯,比较麻烦。我发明的多功能笔可以自动换笔芯的多功能笔可以自动换笔芯。而且我们知道经常用笔写字,手指上会磨出茧子,多功能笔在相应部位采用特殊材料在相应部位采用特殊材料,不仅不会磨损我们的皮肤,还会按摩手指和手,帮我们放松。如果不小心划破手指如果不小心划破手指,它还有止痛消炎的功能呢。上了一天课,我们会感觉很累、很烦,打 With the popularization of computers With the popularization of computers, we have fewer and fewer opportunities to write in the pen. Apart from school and homework, few are willing to write in a pen and are willing to write in a pen. I want to invent a versatile and interesting pen, so everyone likes to write with a pen. Whether it is a pen or a ball-point pen Whether it is a pen or ball-point pen, in the process of using ink or water for refill, more trouble. I invented the multi-function pen can automatically refill for the multi-function pen can automatically refill. Moreover, we know that when we use pen frequently, we can grind cocoon on our fingers. We use special material in special place to apply special material in the corresponding part. Not only will we not wear our skin, we will also massage our fingers and hands to help us relax. If you accidentally scratch your finger accidentally scratch your finger, it also has analgesic anti-inflammatory function yet. On a day class, we will feel tired, annoying, playing