dig的过去分词是dug,意思是掘(地);凿(洞);挖(土);掘得;(采)掘出;寻找,搜寻(物品)They dug a deep hole in the hillside. 他们在山坡上掏了一个深洞。The archaeologists have dug up some interesting Neolithic remains. 考古学家挖掘出一些有趣的新石器时代的遗迹。I dug deep before I found water. 我挖得很深才找到水。