| 单词 | 外骨骼 |
| 释义 | 〔exoskeleton〕A hard outer structure, such as the shell of an insect or a crustacean, that provides protection or support for an organism.外骨骼：为生物提供保护或支持的坚硬的外部结构，象甲壳类动物或昆虫的骨盘〔epicuticle〕The outermost layer of cuticle of an arthropod exoskeleton, composed mostly of wax.上表皮：节肢动物外骨骼最外部的一层表皮，基本上由蜡构成〔crustacean〕Any of various predominantly aquatic arthropods of the class Crustacea, including lobsters, crabs, shrimps, and barnacles, characteristically having a segmented body, a chitinous exoskeleton, and paired, jointed limbs.甲壳纲动物：任一种甲壳纲的数量占优的水生节肢动物，包括有螯虾、蟹、虾和藤壶等，其特征是具有节状身体、几丁质的外骨骼以及成对的、有关节的脚〔skeleton〕The hard external supporting and protecting structure in many invertebrates, such as mollusks and crustaceans, and certain vertebrates, such as turtles; exoskeleton.骨干：许多非脊椎动物身体外部起支持和保护作用的结构，例如软体动物和甲壳纲的动物，另外还包括一些脊椎动物，例如海龟；外骨骼〔chitin〕A tough, protective, semitransparent substance, primarily a nitrogen-containing polysaccharide, forming the principal component of arthropod exoskeletons and the cell walls of certain fungi.几丁质：一种基本上为含氮多聚糖的保护性半透明坚硬物质，是节肢动物外骨骼和某些真菌细胞壁的主要组成部分〔arthropod〕Any of numerous invertebrate animals of the phylum Arthropoda, including the insects, crustaceans, arachnids, and myriapods, that are characterized by a chitinous exoskeleton and a segmented body to which jointed appendages are articulated in pairs.节肢动物：一种节肢动物分类的节肢动物门无脊椎动物，包括昆虫，甲壳纲动物，蛛形纲动物和多足纲节肢动物，其特征为有一甲壳质成对连接副肢的外骨骼和分节的身体〔acanthopterygian〕Any of a large group of fishes of the superorder Acanthopterygii, having bony skeletons and spiny rays in the dorsal and anal fins and including the bass, perch, mackerel, and swordfish.棘鳍目鱼：棘鳍鱼总目的各种鱼类，有骨质的外骨骼和刺状的背鳍骨以及近肛门的鳍，还包括鲈鱼，河鲈，鲭鱼，和箭鱼〔sclerite〕A chitinous or calcareous plate, spicule, or similar part of an invertebrate, especially one of the hard outer plates forming part of the exoskeleton of an arthropod.骨片：甲壳质或钙质片，骨针或无脊椎动物的类似部位，尤指形成节肢动物外骨骼的外部硬片 |
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