下一步,我希望能以太阳能储电、发电,不使用额外电源。缩小体积,外型做成适合加装在任何一种垃圾桶上,能迅速投入街道中使用;沿用烟雾探测器,但改用纯机械熄烟。作为一个中学生,我每天都要乘坐公共汽车上学,正好有一个垃圾桶设置在我平常候车的车站,很多路人都会把烟蒂弃置在垃圾桶上的烟灰缸,可是没有多少人会自觉把烟蒂熄灭后才离开,因此我每天等车时都在吸食二手烟。有一次,我亲眼看见 Next, I hope to solar energy storage, power generation, do not use additional power. Reduce the size, appearance made suitable for installation in any kind of trash can quickly put into the streets; use of smoke detectors, but switch to purely mechanical smoke. As a middle school student, every day I take a bus to school. There is exactly one trash can set in the station where I normally wait. Many passers-by will dispose the cigarette butts on the trash cans, but not many people consciously extinguish the cigarette butts I left, so I was taking secondhand smoke every day while waiting for a car. Once, I saw it with my own eyes