mammoths/ˈmæm.əθ/形容词巨大的;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是一项艰巨的任务。/ˈmæm.əθ/名词猛犸(象),毛象(现已绝种)想跟读,去练习