| 单词 | 无牙 |
| 释义 | 〔sucker〕Any of numerous chiefly North American freshwater fishes of the family Catostomidae, having a toothless jaw and a thick-lipped mouth adapted for feeding by suction.亚口鱼类：任何属于亚口鱼科的多种淡水鱼之一，主要产于并美洲，颚上无牙，嘴通常在厚厚的吸盘，适合通过吸吮进食〔dentulous〕Back-formation from edentulous [toothless] 源自 edentulous的逆构词[无牙的] 〔toothless〕Lacking teeth.无牙的：缺少牙齿的〔edentulous〕Having no teeth; toothless.无牙的；没有牙齿的 |
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