caterpillar|caterpillars

毛毛虫正在树叶上缓慢地爬行。

The ___caterpillar is crawling slowly on the leaf.

花园里的树叶上爬着几条毛茸茸的毛毛虫。

Several fuzzy ___caterpillars were crawling on the leaves in the garden.

工人们用履带式推土机平整了这片土地。

The workers used a ___caterpillar to level the ground.