求翻译：让我们行动起来吧，保护我们学校！是什么意思？

Let us act it, to protect our school!

Let us act now to protect our schools!

But present because our many students randomly throw trash in the school, therefore the school did not have before now was so clean.I thought we should clean every day the school cleanly, usually aware throws trash in the trashcan, cherishes the campus environment to regard as is own one responsibil

Let us act to protect our schools!

Let us act to protect our schools!