| 单词 | 蛛形纲 |
| 释义 | 〔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〔chelicera〕Either of the first pair of fanglike appendages near the mouth of an arachnid, such as a spider, often modified for grasping and piercing.螯肢：蜘蛛等蛛形纲动物在嘴边的第一对肢状附属物，常用来抓握和刺穿物体〔cephalothorax〕The anterior section of arachnids and many crustaceans, consisting of the fused head and thorax.头胸部：蛛形纲动物和许多甲壳纲动物身体前部头胸合一的部分 |
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