a tractor or other vehicle designed to travel over rough or soft ground and propelled by two endless metal belts
either of the endless metal belts used to propel such a vehicle
| 单词 | Caterpillar |
| 释义 | Caterpillar |
| 随便看 |
英语词典包含66266条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。