汉语中古音的日母可能是一个鼻擦音冯蒸中古音的日母字，高本汉构拟作ｎｚ，他在《中国音韵学研究》中说：“ｎｚｉ表现一个很自然而容易的发音。发音时，从全塞的ｎ到”开”的ｉ音，一定得要经过一个一部分闭塞或气程狭窄的舌位，换言之，就是ｚ；ｎｉ实际是ｎ－ｚ－ｉ所... The Japanese mother of ancient Chinese may be a nasal fricative vietnamese vowel vowel, Gaobin Han proposed to make nz, he said in the study of Chinese phonology: “nzi to express a very natural and easy pronunciation. , From the full plug n to ”open" i sound, must go through a part of the occlusion or narrow aura of the tongue, in other words, is z; ni is actually n-z-i ...