noun ダウンロード 🔗共有 節足動物 An invertebrate animal of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple jointed appendages Examples : "The spider, a common arthropod, has eight legs with many joints and a hard outer shell. " クモは一般的な節足動物で、多くの関節と硬い外殻を持つ8本の脚を持っています。 animal biology nature insect organism AIとチャット語彙ゲーム読解練習