| 1 | Both tree species hug water sources in this arid land of high plateaus and rock towers. | |
| 2 | Elegant, retention, determination of personal charm in the set off of her, certainly! | |
| 3 | We should not pull them if they are growing on the earth, because grass can keep water. | |
| 4 | Plant can effectively enhance its rainfall retention capacity and improve efficient utilization of rainfall resource through changing rainfall distribution characteristics. |