Techniques for distinguishing prenasal and postnasal sounds
I learned prenasal and postnasal pronunciation techniques from my kindergarten sisters, and the techniques for distinguishing between the two are mainly through the following points:
From the point of view of the part of the body
From the point of view of the way of pronouncing the sound
From the point of view of the result of pronunciation
Through the pronunciation of letters
By pronouncing syllables
Through the pronunciation of letters
Discrimination by the syllables that are pronounced