| 单词 | subclass |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔archosaur〕A reptile of the subclass Archosauria, which includes the dinosaurs, pterosaurs, and the modern crocodilians.初龙，古龙，祖龙：初龙亚纲的爬行动物，包括恐龙、翼龙和现代的鳄鱼美国传统〔atomism〕The division of or tendency to divide a society into subclasses, groups, or units.分析论：一种将社会分解或趋向于分解为集合，小组或单位的学说美国传统〔caste〕Any of four classes, comprising numerous subclasses, constituting Hindu society.印度的世袭等级：构成印度社会的、由无数个次等级组成的四个社会等级之一美国传统〔caste〕Any of numerous hereditary, endogamous social subclasses stratified according to Hindu ritual purity.种姓：根据印度教仪式的纯洁性划分的无数个世袭的、内部通婚的次等级之一美国传统〔copepod〕Any of numerous minute marine and freshwater crustaceans of the subclass Copepoda, having an elongated body and a forked tail.桡足动物：任一种桡足亚纲的大量海洋或淡水甲壳纲小动物，身体细长，尾部分叉美国传统〔entomostracan〕Any of various small crustaceans formerly constituting the subclass Entomostraca.切甲类甲壳类动物：指任何原属于切甲亚纲的小型甲壳纲动物美国传统〔infraclass〕A taxonomic category of related organisms ranking below a subclass and above an order.下纲：生物等级分类中的一个层次，在亚纲之下，目之上美国传统〔isotype〕Any of the subclasses of immunoglobulins defined by the chemical and antigenic characteristics of their constant regions.同型，同种：由免疫球蛋白基类恒定区的化学特性和抗原特性所定义的任一种免疫球蛋白亚种美国传统〔lobefin〕Any of various mostly extinct bony fishes of the subclass Crossopterygii, of which the coelacanth is a living representative.总鳍鱼：内鼻孔亚纲的各种大多已灭绝了的硬骨鱼，腔棘鱼为其现存种类代表美国传统〔nautiloid〕A mollusk of the subclass Nautiloidea, which includes the nautiluses and numerous extinct species known only from fossils.鹦鹉螺软体动物：鹦鹉螺目亚纲的一种软体动物，包括鹦鹉螺和不可数计的仅从化石得知的绝迹的种类美国传统〔ostracod〕Any of various minute, chiefly freshwater crustaceans of the subclass Ostracoda, having a bivalve carapace.介形亚纲动物：属介形亚纲的任一种体小的、主要生活于淡水中的甲壳纲动物，长有一对硬壳美国传统〔pulmonate〕A gastropod of the subclass Pulmonata.有肺的腹足纲动物美国传统〔ray-finned fish〕Any of various bony fishes belonging to the subclass Actinopterygii, having fins supported by dermal rays.组织鳍鱼：属于辐鳍亚纲的各种多骨鱼之一，有由放射组织所支撑的鱼鳍美国传统〔sea hare〕Any of various small marine gastropod mollusks of the subclass Opisthobranchia having projections that resemble rabbit ears.海兔：各种小型海生后鳃亚纲腹足软件动物，有状似兔耳的突出物美国传统〔superorder〕A taxonomic category of related organisms ranking below a class or subclass and above an order.总目：介于纲或亚纲与目之间的生物分类类别美国传统〔untouchable〕The class, comprising numerous subclasses, that is excluded from and considered ritually unclean and defiling by the four Hindu classes.贱民；不可接触者：印度的一个种姓，由许多阶层构成，他们被排除在印度的四个种姓之外，并被这几个种姓的人认为是在宗教上不洁的和对人有污损性的美国传统 |
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