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| parklands | |||
| grassland; grazing land; land for grazing; greenlands; fodder-producing area; area under grass; grassland area | |||
| meadow | |||
| grassland Grassland cover nearly one-fifth of the Earth's land surface. They include savannah, the prairies of North America, and the steppes of Russia and Central Asia. Grassland ecosystems support thousands of different species, above and below the ground, and have a vital part to play maintaining the ecological balance of the world | |||
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| cornfield-; grainland-; meadow | |||
| Grunland: 16 短语, 8 学科 |
| 一般 | 5 |
| 农业 | 3 |
| 教育 | 1 |
| 法律 | 1 |
| 环境 | 2 |
| 研究与开发 | 1 |
| 经济 | 1 |
| 自然资源和野生动物保护 | 2 |