求翻译：众所周知，现在我们的环境变得越来越差，我们人类认识到保护地球对于我们来说是重要的。首先，我们应不随地乱扔垃圾，应把垃圾扔到垃圾桶里去。其次，我们必须要多种树。最后，我们不能在公共场所吐痰。这些对于保护环境非常重要，我们应遵守是什么意思？

We all know, our environment has become increasingly worse, we human beings recognize that protecting the planet is important for us. First, we should not throw garbage anywhere, should be thrown into the trash go to waste. Secondly, we have to a variety of trees. Finally, we can not spit in public

As we all know, now that our environment has become increasingly aware of the difference between human beings, we have to protect the earth for us that is important. First of all, we should not litter, rubbish should be to put the rubbish thrown into the trash can. Secondly, we must plant trees. Fin

It is well known, our environment becomes now more and more misses, our humanity realized to protects the Earth regarding us is important.First, we should not throw trash along with the place, should throw trash in the trash can.Next, we must have to plant trees.Finally, we cannot in the public plac

As we all know, getting worse and now our environment, we recognize that protecting the Earth is important for us. First, we should not litter should be thrown into the garbage in the garbage. Secondly, we must be more. Finally, we cannot spit in. These are important for the protection of the enviro

As we all know, getting worse and now our environment, we recognize that protecting the Earth is important for us. First, we should not litter should be thrown into the garbage in the garbage. Secondly, we must be more. Final we cannot spit in. These are important for the protection of the environme