名词 caterpillar:

1. a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth

2. a large tracked vehicle that is propelled by two endless metal belts; frequently used for moving earth in construction and farm work

caterpillarn.毛虫Caterpillar.n.卡特彼勒(财富500强公司之一；总部所在地美国；主要经营工业农业设备)caterpillar trackn.卡特皮勒履带车辆；链轨；导轨；履带caterpillar shove履带式电铲caterpillar chain履带链,履带caterpillar stage毛毛虫阶段caterpillar lorry履带汽车caterpillar crane履带起重机caterpillar truck履带汽车caterpillar trend履带caterpillar treadn.(履带车辆之)履带caterpillar drive履带式传动,履带推进器,履带传动