科学 · 生态系统与栖息地 · 9
您的孩子在 9 岁左右正在学习科学中的生态系统与栖息地内容,并逐步掌握相关知识与技能。
Your child is learning about how living things reproduce and grow — comparing different life cycles from mammals to insects, and understanding the various ways plants and animals create new generations.