noun ダウンロード 🔗共有 プロポリス An aromatic glue-like substance produced by honeybees from tree resin, waxes, and their own secretions, used in the construction of their hives. Examples : "The beekeeper carefully scraped the propolis from the inside of the hive. " 養蜂家は、ミツバチの巣の内側からプロポリスを慎重に削り取りました。 substance material nature animal insect biology chemistry AIとチャット語彙ゲーム読解練習