我国晋朝,有个叫车胤的小学生,家里很穷,没钱买油点灯,晚上怎么学习呢?他看见萤火虫挂着小灯笼飞来飞去,灵机一动,就缝了一个布口袋,捉了许多萤火虫装进口袋里,挂在头顶上,制成了一盏生物灯。书上的字被照得清清楚楚,真比油灯还亮哩。一个世纪前,一位法国科学家把一种能发光的? In the Jin Dynasty in our country, there was a primary school student named Cheyin, who was poor at home and had no money to buy oil. At night, he learned how to study it. He saw the fireflies flying around in small lanterns. When he got an idea, he sewed a cloth pocket and caught A lot of fireflies into their pockets, hanging overhead, made of a biological lamp. The words in the book are clearly shown, so bright than oil lamps. A century ago, a French scientist put a shiny?