不要在林中生火 不要乱扔垃圾 不能伤害鸟类 这些用英文怎么说啊?

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NO fire in the forest.
no littering.
no harm to the birds.
======以下答案可供参考======
供参考答案1:
Don't make a fire in the woods,Don't litter,You may not harm birds!