noun ダウンロード 🔗共有 色素体 Any of various organelles found in the cells of plants and algae, often concerned with photosynthesis Examples : "Plant cells contain plastids, including chloroplasts which are essential for photosynthesis. " 植物細胞は、光合成に不可欠な葉緑体を含む色素体を含んでいます。 biology plant organ AIとチャット語彙ゲーム読解練習