
好词典

源自中古英语 catirpel、catirpeller,可能来自古法语 chatepelose(意为"毛茸茸的猫"),因其外观类似毛茸茸的动物。
❶ 指蝴蝶或蛾子的幼虫阶段,身体呈长条状,通常有多对足,以植物叶子为食,行动时身体会蠕动。
“The caterpillar was slowly crawling on the leaf.”
(毛毛虫正在叶子上缓慢爬行。)
“Children were excited to watch the caterpillar turn into a butterfly.”
(孩子们兴奋地看着毛毛虫变成蝴蝶。)
❶ 有时也用来比喻行动缓慢或蠕动前进的事物,如某些机械装置。
“The construction vehicle moved like a caterpillar across the muddy ground.”
(那辆工程车像毛毛虫一样在泥泞的地面上缓慢移动。)
“The train of linked cars resembled a giant caterpillar.”
(连在一起的车厢像一条巨大的毛毛虫。)
caterpillar track — 指坦克、挖掘机等重型车辆使用的连续履带,因其移动方式类似毛毛虫而得名。
“The bulldozer's caterpillar tracks allowed it to move easily over rough terrain.”
(推土机的履带使它能够在崎岖地形上轻松移动。)