一引言普通话是现在汉民族共同语,它的基础方言是北方方言,而普通话的历史源头则是古汉语。韩国汉字音也受到古汉语非常深的影响。虽然汉语上古音与中古音经韩民族借用后便被韩语音韵体系同化,而与汉语的距离越来越大,但今天仍能找到中古汉语和现代韩国汉字音的对应关系。普通话中也能找到和中古汉语 I. INTRODUCTION Putonghua is now the common language of the Han nationality. Its basic dialect is the northern dialect, while the origin of Putonghua is the ancient Chinese language. Korean Chinese pronunciation is also deeply influenced by ancient Chinese. Although Chinese ancient and middle-aged Chinese are borrowed by the Han nationality, they are assimilated by the Korean phonological system and are getting more and more distant from the Chinese. However, the correspondence between the ancient Chinese and modern Korean Chinese characters can still be found today. Middle Chinese can also be found in Mandarin