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 : "Example Sentence: "Insects, spiders, and crabs are all examples of arthropods, which means they have an external skeleton and jointed legs." " 昆虫、クモ、カニはすべて節足動物の例であり、外骨格と関節のある脚を持っていることを意味します。 animal biology insect organism nature science AIとチャット語彙ゲーム読解練習