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2025年，全世界的汽车越来越多，几乎每个人都有一辆，小孩子也有自己的专用车，想去哪里都很方便。但新的问题又来了，世界上的有越来越少，油价飞涨，从现在的3.5元一升变为50元一升，有车的人也不敢用车了。 In 2025, there will be more and more cars in the world, almost everyone has one, and children have their own special cars, so it's very convenient to go anywhere. But there are new problems. There are fewer and fewer in the world. The price of oil is soaring, from 3.5 yuan a liter now to 50 yuan a liter. People who have cars dare not use them. 大学的时候我是学桥梁设计的，毕业后，我一直在努力设计新型桥梁，几年后，我终于设计出一种太阳能环保桥。 When I was in college, I studied bridge design. After graduation, I have been trying to design new bridges. A few years later, I finally designed a solar energy environmental protection bridge. 首先，这种桥的材料很环保，它是用废旧物质加上新型材料合成的，非常坚固，所以根本不用桥墩，也不用拉索拉住。 First of all, this kind of bridge material is very environmental friendly. It is made of waste materials and new materials. It is very solid, so it does not need piers or cables at all. 其次，它除了给人和车经过，还有一个特别的功能，就是装有太阳能转化器，他分为三个部分，一个是接收器，一个是转化器，另一个是储存器。接受器是用来接收太阳能的，转化器把接收来的太阳能转化为汽车和轮船需要的M气，然后把M气储存到储存器里，在储存器旁边还有一个小型探照器，如果你要加M气的话，探照器可探照到，你的车的气盖就会自动打开，然后探照器就通知储存器，储存器就可以将M气输送到你车上的气缸里。 | 
