measuring worm

常见例句

• 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，通常稱爲尺蠖，通過身躰交替的收縮和伸展來伸屈前進。
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