1.When describing a science subject, clearly state what the subject is and provide a brief overview of its main concepts or topics. 2.Explain how you became interested in this subject, whether through school, self-study, or other experiences. 3.Share why this subject fascinates you, perhaps due to its practical applications, the way it explains natural phenomena, or its impact on the world.

1. 在描述一个科学主题时，清楚地说明这个主题是什么，并提供对其主要概念或主题的简要概述。 2. 解释你是如何对这个主题产生兴趣的，无论是通过学校、自学还是其他经历。 3. 分享这个主题为何令你着迷，也许是因为它的实际应用、解释自然现象的方式或对世界的影响。