我们需要保护地球的资源。

We need to protect ___Earth's resources.

这些蔬菜在肥沃的土壤中生长得特别好。

These vegetables grow exceptionally well in fertile ___earth.

孩子们喜欢在泥土里挖洞玩耍。

The children love to dig holes in the ___earth and play.