净化: to purify...
就读: to go to school...
不堪: cannot bear, cannot stand, utterly, extremely...
防止: to prevent, to guard against, to take precautions...
编写: to compile...
点燃: to ignite, to set on fire, aflame...
使得: usable, workable, feasible, doable, to make, to cause...
炮: cannon; gun; firecracker; artillery piece...
省会: provincial capital...
追问: to question closely, to investigate in detail, to examine minutely, to get to the heart of the matter...
