caterpillar track
n. 卡特皮勒履带车辆, 链轨, 导轨, 履带
例句与用法:
A caterpillar must pass through the cocoon stage to become a butterfly.
毛毛虫必须经过茧的阶段才能变成蝴蝶。
Any of various crawling insect larvae, such as a grub or a caterpillar, having a soft, elongated body.
幼虫几种爬行昆虫幼虫的一种,如蛆或毛毛虫,有柔软的,细长的身体
A caterpillar is the larva of a butterfly.
毛虫是蝴蝶的幼体。
The ugly caterpillar will change into a beautiful butterfly.
丑陋的毛虫会变成美丽的蝴蝶。