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)
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切換為繁體中文