关于此有声读物
Young readers will learn how we send and receive messages using light and sound in this accessible, photo-filled book. Simple text explains different methods of sending messages and shows how light and sound make sending these messages possible. Vibrant photos bring basic science concepts to life and encourage kids to explore light and sound on their own.
为此有声读物评分
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聆听信息
智能手机和平板电脑
笔记本电脑和台式机
您可以使用计算机上的网络浏览器阅读在 Google Play 购买的图书。
