秋天来了，他忙着用耙子收集落叶。

When autumn comes, he becomes a busy ___raker gathering fallen leaves.

园丁用耙子平整花坛里的土壤。

The gardener used a ___rake to level the soil in the flower bed.

这位考古学家是个勤奋的挖掘者，他系统性地发掘了整片遗址。

The archaeologist was a diligent ___digger, systematically excavating the entire site.