The Earth is our home. We must love it and take good care of it. We must keep the land, air and water clean.
【Protect|Protect the earth.】地球是我们的家园。我们应该爱护它，照顾好它。我们要让地球上的土地，空气和水保持干净。
The Earth is our home. We must love it and take good care of it. We must keep the land, air and water clean.
【Protect|Protect the earth.】地球是我们的家园。我们应该爱护它，照顾好它。我们要让地球上的土地，空气和水保持干净。
