用英文书面表达 70词1.我们一定要保护山上的树木,不能砍伐,不能在树上写字 2.在游览白云山时,我们不能带火种进山,也不能在山上生火 3.发现山上有火灾,要立刻报警

We must protect the trees which are on mountain from cutting down.Besides,we should not writting anything on trees.
When we travelled the BaiYun mountain,neither we bring the fire inside nor caught fair on mountain.
Once we find someting dangerous situation when we travelled the BaiYun mountain,wu should call the police for help instant.

Earth is our human being‘s home.We must pay attention to protecting trees from being cut down.And we shouldn’t write anything on the trees.During the tour of Baiyun Mountain,we can't bring fire into the mountains.We can‘t light a fire in the mountain.To call the police if you find there is a fire in the mountain.At the same time,we should keep us safe while we are protecting the environment.
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