Wood is a kind of very important building material. Wood can be made into desks, chairs and many other things. Fine paper is made of wood, too. Only trees can provide us with enough wood. Trees can al...
英语作文：protect forests 60字左右（加分
Wood is a kind of very important building material. Wood can be made into desks, chairs and many other things. Fine paper is made of wood, too. Only trees can provide us with enough wood. Trees can al...