/ˈekskəˌveɪtə/ n.1.(machine)挖掘机
a workman driving an excavator驾驶挖掘机的工人
2.【考古】(person)发掘人员
Excavators uncovered the bones of a Viking warrior.考古发掘者发现了维金勇士的尸骨。
3.<正式>(person digging)挖掘者
Before digging, all excavators and homeowners are required to call the office to find out about underground utilities.开挖前, 所有挖掘人员和房主必须致电办事处了解地下公用设备的相关情况。
one of the police excavators警方的一位发掘人员
4.<正式>(digging animal)挖土动物；挖洞动物
The excavator of the burrows was a rodent.一只啮齿目动物挖了这些地洞。