Isbn: 9787530763322 - 笨精灵的奇幻之旅全套4册 可怕的预言 封印的九尾狐 儿童经典神话文学小说故事 8-12-15岁中小学生课外课外阅读儿童文学故事 儿童小说书籍 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2016-08 Publisher: Xinlei Publishing House (Tianjin) Co. Ltd. Mirrors give people a mysterious feeling; they seem complicated. but once you understand them. you'll find they're not mysterious at all. Through experiments. you'll learn about refracting. symmetry. and the reflection of concave mirrors. These experiments are not complicated and can all be done at home.…