noun ダウンロード 🔗共有 蛍 Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight. Examples : "Sentence: "On warm summer evenings, we watched the fireflies blink their lights in the backyard." " 暖かい夏の夕方には、裏庭で蛍が光を点滅させているのを眺めました。 insect animal nature biology organism environment AIとチャット語彙ゲーム読解練習
