求翻译：保护环境是每个人的责任,我以前参加了一个活动，周六早晨，我们全班人在河边集合，那里遍地生长着绿草，有许多白色小鸟在飞，河水很清澈，但是河边有许多垃圾，我们的目的就是使河边变得干净，但是垃圾太多了，我们一直从早上九点捡到十二点然后去吃午饭，当太阳落山后，河边已经干净了。我们每个人都觉得很开心，因为这是有意义的事是什么意思？

Environmental protection is everyone's responsibility, I participated in an activity, Saturday morning, our class collection in the river, where the land grow grass, and many white birds fly, the river is very clear, but the river Our aim is to make the river to become clean and a lot of junk, but t

Protection of the environment is everyone's responsibility, and I had participated in a 6 Week activities, morning, we were all set at the river's edge, where the green grass grows everywhere, and there are many small white birds in flight, and the river water is very clear, but there are many side

The protection environment is each person's responsibility, I before participated in an activity, morning, our entire colleague in the riverside set, there everywhere is growing on Saturday the green grass, some many white bird is flying, the river water is%2

Protection environment is everyone of responsibility, I yiqian participate in has a activities, Saturday morning, we class people in river edge collection, there over growth with green grass, has many white bird in fly, River is clear, but river edge has many garbage, we of purpose is makes river ed