求翻译：随着社会的发展，世界环境的污染日益恶化，我们应该学会保护环境。首先，我们要先不乱丢垃圾；再宣传保护环境的好处；最后，我们还可以开展一个有关保护环境的比赛。是什么意思？

With the development of society, the world's worsening environmental pollution, we should learn to protect the environment. First, we must first do not litter; and then publicize the benefits of protecting the environment; Finally, we can also carry out a competition for the protection of the enviro

With the development of society, the world's environmental pollution is deteriorating, we should learn to protect environment. First of all, we have to first-come-first-served basis; no longer do not litter the benefits advocacy protection of the environment; and, finally, we can also initiate a gam

Along with society's development, the world environment pollution worsens day by day, we should learn to protect the environment.First, we must not randomly throw trash first; Again propagandizes the protection environment advantage; Finally, we also may develop a related protection environment the

With the development of society, the world's worsening environmental pollution, we should learn to protect the environment. First, we must not littering; publicity benefits of protecting the environment and, finally, we can also carry out a competition about the protection of the environment.

With the development of society, the world's worsening environmental pollution, we should learn to protect the environment. First, we must first do not litter; and then publicize the benefits of protecting the environment; Finally, we can also carry out a competition for the protection of the enviro