汉字中的形声字,为何不能“识半边”?因为字音变异了。古音与今音相比,音符简单得多.人类的发音器官也同人类其他器官的进化一样,是由简到繁的;人类的发音技巧也同人类其他功能的进化一样,是由低级至高级的。就声母来说,在上古时代只有五种、即喉、牙、齿、舌、唇。于是古今声母出现了一些变化: 一、喉牙声转。喉音,指令之h音;牙音,指今之舌根音g、k,因古人缺乏一定的科学知识,误认为g、k是由靠近喉咙的大牙发出的,故称牙音。由于喉音与牙音发音部位相近,以致造 Shaped characters in Chinese characters, why can not “know half the border?” Because the pronunciation variant. Gu Yin Compared with the present tone, the notes are much simpler, and the human vocal organs are just like the other human organs in their evolution, from simple to complex. The human vocalization skills, like the evolution of other human functions, are from low to advanced of. As far as the initials are concerned, there are only five in ancient times: the throat, teeth, teeth, tongue and lips. So there are some changes in ancient and modern initials: First, the throat sound. Guttural, instruction h sound; Tooth sound, refers to the current tongue root g, k, due to the ancients lack of scientific knowledge, mistaken for g, k is issued by the big teeth near the throat, it is called the dental sound. Due to the guttural and dental sounds similar to the parts, resulting in