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蚯蚓,在你脑海中是什么印象呢? 清道夫蚯蚓在分类上属于环节动物门寡毛纲。穴居土壤中的称陆蚓,生活在水底的
Earthworms, what is the impression in your mind? Scavengers earthworms in the classification belongs to the section of the door animal oligoporphylus. Burrowing soil called terrestrial earthworms, living in the water