双子座的小蛇
We should plant more treesAs everybody knows，wood has many uses．It is a kind of very important building material．Wood can be made into desks，chairs，beds and many other things．Fine paper is made of wood，too．Only trees can provide us with enough wood．Trees can also provide us with oxygen and make the air around us fresh．In hot summer trees give us shade and make our surroundings more beautiful．What’s more，trees can stop soil from being washed away by heavy rains．Since trees are so important to us，we should plant more trees．At the same time，many effective measures should be taken to protect forests and prevent trees from being cut down．
小小亦儿
牛津词典noun1[C, U] 森林；林区 a large area of land that is thickly covered with treesa tropical forest热带森林a forest fire森林火灾Thousands of hectares of forest are destroyed each year.每年都有几千公顷的森林遭到破坏。see also rainforest2[C] ~ (of sth)（森林似的）一丛，一片 a mass of tall narrow objects that are close togethera forest of television aerials林立的电视天线习语not see the forest for the trees= not see the wood for the trees at wood
