Polystichinol
耳蕨醇
🗣️ 情景例句
Study hard kids, your mother and I want you to get into a good college when the time comes.
努力学习，孩子们，你们的妈妈和我希望你们能考上名校。
When did you take the examination?
你什么时候去参加考试？
Come in and have a seat.
请进来坐。