同根派生 英汉例句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。