caterpillar track

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。