科学 · 太空系统与地球历史 · 9
您的孩子在 9 岁左右正在学习科学中的太空系统与地球历史内容,并逐步掌握相关知识与技能。
Your child is exploring our solar system and Earth's place in it — understanding how the Earth's rotation creates day and night, how planets orbit the sun, and how we can read Earth's history through rocks and fossils.