“千钧一发”“唇亡齿寒”“肝胆相照”……这些成语里的“发”“唇”“齿”“肝”与“胆”等,在我们人体中有什么重要的功能呢?为什么要用“肝胆”相照,而不用“心肝”相照呢?为什么“望梅”能够止渴呢?在这些成语背后,其实都有息息相关的科学知识,以深入浅出的文字,编写出有趣生动的小故事,同时,也让孩童在故事中,找出这些介绍人体器官、身体构造及生理反应的科学知识解答。
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