| 1 | The trees turn green when spring comes. | |
| 2 | Fields, green a boundless hope, as if the green wave. | |
| 3 | Happily a good rain followed, turning the maize leaves green again. | |
| 4 | But the quality of cross-section affects the rate of returning green direct. | |
| 5 | Nitrobenzene and chlorobenzene declined surviving rate and delayed reviving period. |