单词	arthropod
释义	arthropod /ˈɑːθrəpɒd / noun Zoology An invertebrate animal of the large phylum Arthropoda, such as an insect, spider, or crustacean.The ecdysozoans are supposed to include arthropods, priapulids and nematodes.... All chelicerate arthropods have this special first set of modified legs. The Cambrian Explosion, for example, is the first time we are able to distinguish a chordate from an arthropod.
随便看	undertrial undertrick underuse underutilise underutilization underutilize undervaluation undervalue undervest undervote under water underwater underwater hockey under way underway underwear underweight underwent underwhelm underwing underwing moth underwire underwired underwood underwork

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。