Podcasts · 姥姥讲故事 Grandma's story in Chinese
儿童故事： 寻找第七颗星
· 11 min
Episode 儿童故事： 寻找第七颗星
0:00
10:46
通过这个故事，可以给孩子讲讲益虫和害虫。其实，所谓益虫就是对人类有益的昆虫。瓢虫中的一些种类，比如七星瓢虫，是典型的益虫，它们可以帮助人们消灭危害农作物的蚜虫。瓢虫中也有的不吃害虫，反而危害农作物，那就是害虫了。
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