noun ダウンロード 🔗共有 等脚類 Any of very many crustaceans, of the order Isopoda, that have a flattened body and no carapace. Examples : "The small, flattened isopod scuttled across the damp laboratory floor. " 小さく平らな等脚類が、湿った実験室の床をちょこちょこ歩いた。 animal biology organism nature AIとチャット語彙ゲーム読解練習