arthropod
noun [ C ] biology specialized uk/ˈɑː.θrə.pɒd/ us/ˈɑːr.θrə.pɑːd/
节肢动物（无脊椎动物，体外覆盖坚硬表皮，附肢的外骨骼具关节，身体成结状，比如蜘蛛，螃蟹或蚂蚁）
a type of animal with no spine, a hard outer skin, legs with bones joined together, and a body divided into different parts, for example a spider, crab, or ant