Every year we plant trees to stop the desert. But the desert keeps advancing. We seem to be losing the fight.
每一年我们都种树来组织沙漠。但是沙漠仍然在扩大。我们看起来似乎是输了这场战斗For instance, when a farmer was given the responsibility to farm a piece of land, he might choose to plant trees of choose to fell trees.
例如，当一个农民被赋予责任去耕种一块土地，他可能选择种树或者是伐树。Any of several trees of the genus Populus having leaves attached by flattened leafstalks so that they flutter readily in the wind.
白杨一种树白杨属，叶长在扁平的叶柄上，因此易于随风飘动。East Indian tree whose leaves are used for fodder; yields a compact dark brown durable timber used in shipbuilding and making railroad ties.
东印度的一种树，叶子可作饲料；出产一种深褐色的结实的经久耐用的木材，可用于造船和制造铁路枕木。Today is the Planting Day, all the children hope they can plant the trees with you.
今天是植树节，孩子们都希望能够跟您一起种树。It is almost impossible for the trees to bring such a hefty profit in a region where the natural conditions are harsh, said a local farmer.
一个当地农民说，在自然条件恶劣的内蒙古地区，种树能带来这么丰厚的利润，这几乎是不可能的事。To enable us to plant trees, let go all over the trees, we have a large number of tree species to it, planting thousands of trees.
让我们去种树吧，让四处遍布树木，我们去种大量的树木吧，种植成千上万的树木。It has been proved that the resulting connection is a tree, known as the Steiner tree.
已经证明，由此产生的连接是一种树，被称为Steiner树。"Mother Nature plants trees differently than people do, " he said.
“大自然和人类种树的方式不同。”