noun ダウンロード 🔗共有 トビムシ Any of various wingless hexapods, of the subclass Collembola, with spring-like legs. Examples : "The tiny springtail jumped away quickly when I watered my potted plant. " 鉢植えに水をやると、小さなトビムシが素早く飛び跳ねた。 animal insect organism biology nature environment ecology science AIとチャット語彙ゲーム読解練習