| 单词 | 甲壳质 |
| 释义 | 〔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〔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〔pogonophoran〕Any of various wormlike marine invertebrates of the phylum Pogonophora that grow in upright chitin tubes, usually at depths greater than 100 meters (330 feet), have tentacles attached to the head region, and lack a digestive system.须腕动物：须腕门中的一种蠕虫状海生无脊椎动物，生长在直立的甲壳质管中，通常在100米(330英尺）以下的水中生活，有附于头部的须毛，而缺少消化器官 |
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