![下雨了,它们去哪儿?It's raining, where are they going?](http://www.lukareads.com/cdn/shop/products/7aec9d9ac1178715_{width}x.jpg?v=1604057583)
玛丽安和卢克是一对双胞胎,他们和好朋友史蒂夫一起去池塘捞水草,路上看到各种各样的小动物和植物。突然,下起雨来了,哎?!大家都去哪儿了呢?怎么才能看到彩虹呢?雨是怎么形成的呢?各种植物和小动物都叫什么名字?
Follow the twins in a unique field trip with interesting natural mysteries! What grass is soap made of? What is the animal that makes a fish tank clean? How can I see a rainbow....?