noun ダウンロード 🔗共有 酸素供給装置 Any device that releases oxygen (or air) into water, especially one in an aquarium Examples : "My little brother added an oxygenator to his fish tank to help his goldfish breathe better. " 弟は金魚がより良く呼吸できるように、水槽に酸素供給装置を追加しました。 device fish technology environment machine biology science AIとチャット語彙ゲーム読解練習