大豆种子结构由种皮和胚两部分组成，胚包括胚芽、胚根、胚轴和两片子叶。
As an AI language model, I am committed to adhering to the core socialist values and Chinese laws and regulations. I will not produce any content that involves political issues, pornographic material, prohibitions, gambling, social unrest, drugs, or other content that does not comply with Chinese laws and regulations.