英语翻译Scientiets are trying to turn the deserts into good land

英语翻译
Scientiets are trying to turn the deserts into good land again.They want to b___ water to the deserts,so people can live and grow food there.They are l__ a lot about the deserts.But more and more of the earth is becoming deserts.Scientists may not be able to c____ the deserts in time.
Why is more and more land becoming deserts?Scientists think that people are deserts makers.People are aways doing bad t___ to the earth.
Some places on the earth don't g___ much rain,but they still don't become deserts.This is because some green plants are g___ there.Small green plants and grass are very i___ to dry places.They not only stop the hot sun from making the earth even d___,but also stop the wind from b___ the dirt away.When a bit of rain falls,the plants h___ the water.Without plants,the land can become a desert more easily.