玩滚木球草地

例句：

1. 1.The children were playing on the grassy field.
   孩子们在草地上玩耍。
2. 2. The grass was tall and green in the park.
   公园里的草很高很绿。
3. 3. The grass is so thick that it's almost impossible to walk on.
   草太厚了，几乎走不了。