(1)クモ、ダニ、サソリ、ガガンボを含む節足動物の大きな類
(2)4対の歩行用肢を持ち、翼は無い
(3)a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings
さらに詳しく
