small hairless caterpillar having legs on only its front and rear segments; mostly larvae of moths of the family Geometridae
双语例句
Any of various moths of the family Geometridae,having caterpillars commonly known as measuring worms that move by looping the body in alternate contractions and expansions. 尺蠖蛾,任何尺蠖蛾科的蛾,通常称为尺蠖,通过身体交替的收缩和伸展来伸屈前进。