Tunnelling

开凿───Digging;隧道───Tunnel

Archaeologists knew they were onto something big when they started digging.───考古学家在发掘之初就知道他们将有重大发现。

They said, after digging around, the photo was a fake.───在搜集了有关情况后，他们说照片是伪造的。

A yawning North-South gulf has opened up with both sides digging in.───双方都坚持自己的立场，南北之间出现了一条鸿沟。

They tried digging in a patch just below the cave.───他们试着在洞穴正下方的一块地上挖掘。

The battalion went directly to the airport to begin digging in.───该营直接开到机场掘壕防守。

Moles have powerful forefeet for digging.───鼹鼠的前足非常有力，擅长挖洞。

The enemy must be digging themselves in now ready for the attack.───敌人现在一定在挖掩体，准备迎接进攻。

"Listen," said Daisy, digging into her oatmeal.───“听着，”黛西一边大口喝着燕麦粥一边说道。