“挖掘机”的英语是 excavator [ɪkˈskæveɪtər] ,也可用 digger [ˈdɪɡər] (该词相对更口语化、通俗一些)来表示。
Excavator:
This new type of excavator is very efficient in digging operations.(这种新型挖掘机在挖掘作业中效率很高。)
The construction site was filled with the sound of excavators working.(建筑工地上充满了挖掘机工作的声音。)
Digger:
A big digger was moving earth around the construction area.(一台大型挖掘机正在建筑区域周围移动泥土。)
The kids were fascinated by the digger at the roadwork site.(孩子们对道路施工场地的挖掘机着了迷。)