绘本故事《POP! (Let’s Read and Find Out) 自然科学启蒙1：泡泡！ISBN9780064452083》- 适合 5-7岁

绘本《POP! (Let’s Read and Find Out) 自然科学启蒙1：泡泡！ISBN9780064452083》，Harper Collins

绘本内容

BubblesWhat are bubbles made of?Why are they always round?Readand find out about the science behind soap bubbles, and learn whybubbles always go POP