科研之友
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摘要
<正>We live in a wonderful world and hear all kinds of voices every day. Why can we hear these sounds? Which organ of our body works? Yes, it is the ears. How do ears transmit sound to our brains?我们生活在一个奇妙的世界,每天都会听到各种各样的声音.为什么我们能听到这些声音呢？这主要是我们身体的哪个器官在起作用呢？是的,就是耳朵.
