无边的沙漠上黄沙漫天飞舞,太阳火辣辣地照着大地,土地都裂开了。这天,我开着我发明的植树机到干旱的沙漠去植树。我的植树机满载着树苗。我按下红色按钮,植树机就伸出长长的铲子把干裂的黄土铲掉,如果石头硬的话,我会按下绿色按钮,伸出锋利的电钻,只听“坑坑坑”的几声就可以挖 Yellow sand in the boundless desert flying, the sun shining on the earth, the land is split. This day, I drove the tree-planting machine I invented into arid deserts to plant trees. My tree machine is full of saplings. I pressed the red button and the tree-shovel out of a long shovel shovels out the cracked loess. If the stone is hard, I’ll press the green button and stick out the sharp drill, just listen to the “pit hole” A few times you can dig