noun ダウンロード 🔗共有 海藻 Any of numerous marine plants and algae, such as a kelp. Examples : "After the tide went out, the children collected colorful seashells and slippery seaweeds from the beach. " 干潮の後、子供たちは浜辺からカラフルな貝殻と滑りやすい海藻を集めました。 plant biology ocean organism nature food vegetable environment science AIとチャット語彙ゲーム読解練習