【全集 美國中小學 詞彙課程 Level A】外教 Brian Stuart 精講 美國教育精華 英語口語聽力 學英語的同時獲取海量科學知識 P100 - 100 [A級] Electricity_9

Brian Stewart introduces the first unit of \"Reading for Vocabulary,\" focusing on plants. The lesson explores the various parts of plants that humans consume, specifically distinguishing between vegetables and fruits based on the presence of seeds.