You can answer by mentioning the age or stage of life when you first started learning about science, such as in primary school or at home. You can also mention what sparked your interest in science, like a favorite subject or a particular experience.

你可以通过提到你开始学习科学时的年龄或人生阶段来回答，比如在小学或在家里。你也可以提到激发你对科学兴趣的原因，比如一个喜欢的科目或某个特定的经历。