| 单词 | 八条 |
| 释义 | 〔tardigrade〕Any of various slow-moving, microscopic invertebrates of the phylum Tardigrada, related to the arthropods and having four body segments and eight legs and living in water or damp moss. Also called water bear 缓步类动物：任一种属于缓步类的行动缓慢、微小的无脊椎动物，它与节肢动物有亲缘关系，生有四个体节和八条腿，生活于水中或潮湿的苔藓上 也作 water bear〔octagonal〕Having eight sides and eight angles.八角形的：有八条边和八个角的 |
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