普通话声母zcs的发音部位不在“舌尖———上齿背” ,这个部位发出的辅音只能是齿音 [t t ]。发zcs时节制气流的部位应是“舌叶———上齿龈”。把声母zcs叫作舌尖前音 ,把声母zhchsh叫作舌尖后音容易与元音中的舌尖前音 [ ]和舌尖后音 [ ]在称说上互相纠缠 ,在一定程度上给语音教学带来不便。 Mandarin consonants zcs pronunciation is not the “tongue --- upper back”, this part of the consonant can only be issued tooth [t t]. Control zes hair flow when the site should be “tongue --- upper gum.” The initial consonant zcs is called the front of the tongue, the consonant zhchsh is called the tongue-backs, and the vowel’s anterior pronunciations [] and the tongue-backs and backs [] are entangled in the argument, to a certain extent, to the voice teaching inconvenient.