The tools used are said to be equivalent to the earth digging and moving.

而且使用的工具也应该等同于我们现在的挖土机和搬运机。

youdao

"That's the good rich earth," he answered, digging away.

“那是沃土的气味。”他一边回答，一边继续挖土。

youdao

Maybe I can't finish digging all the way through the earth, but look at what I have found in the process of digging!

也许我挖不穿地球，但是看看我在挖的过程中发现了什么！

youdao

Muse Opiang studied how echidnas eat, by digging in the earth with their long noses to find worms.

VOA: special.2009.07.07

"I'm at home,digging in the dirt, or doing something that is very close to the Earth, because that's where I know how to survive."

VOA: special.2009.06.07

"What we see that because the supply of the gold is depleting, that's why the cost of digging the gold out of the earth is very high."

VOA: standard.2010.07.21

Rather than a handful of men working in close confines about 90m underground, at a site like Tower there are some of the largest earth movers in the UK digging a hole 180m on the surface.

BBC: Does coal industry have a future in Wales?

If players survive the early game, there are a number of objectives to pursue, including digging deep into the earth for valuable resources that allow additional advancement, increasing village happiness to attract immigrants, outfitting citizens and soldiers, and even procuring heroes that can gain experience and level up as they hunt down the dangers in the depths.

FORBES: Towns: A Brilliant But Messy Menagerie