夜晚,人在黑暗处有时需要记些东西,这时如果有一支发光笔就方便多了。这种笔外壳全用透明管子构成,在笔顶端装有一颗电珠,以用笔时母指和食指的触摸点为开关。而且这种发光笔还十分好看,就 At night, people sometimes need to remember something in the dark. If there is a luminous pen, it is much more convenient. This type of pen case is made of a transparent tube. A pen is placed on the top of the pen to switch the touch points of the mother and the index finger when using the pen. And this glow pen is also very nice,