mammoth
['mæm.əθ] adjective
■extremely large 巨大的；庞大的•Cleaning up the city-wide mess is going to be a mammoth task.清扫全市范围内的垃圾将是一项艰巨的任务。 •It's a mammoth undertaking - are you sure you have the resources to cope?这是一项艰巨的任务——你肯定有能力完成吗？
['mæm.əθ] noun countable
■a type of large elephant covered in hair that had tusks and no longer exists 猛犸（象），毛象（现已绝种） |