1, nasal is: Anne? United Nations? ü n. For example-smoke, safety, happiness, vulgarity, comparability, running, criticism, division, temperature, grace, cloud, army, faintness, rolling Kun and group.

2. The nasal sound is: ang eng ing ong. For example-madness, pornography, freedom, light, rigidity, Weng, throwing, pain, Peng, Deng, shadow, crystal line, merger, affection, poverty, sending, east, public, and so on.

There are sixteen nasal vowels in Putonghua * * * which is an ian uan ü an en in uenün ang ang ang ng ONG yung yung. Putonghua clearly distinguishes two groups of vowels ending in -n and -ng. Vowels ending in -n are called anterior nasal vowels, and vowels ending in -ng are called posterior nasal vowels.

Extended data

Vowel refers to China's Chinese phonology term, which is the part of Chinese phonology except initials and tones. Formerly known as rhyme Vowels consist of three parts: the beginning (middle tone), the belly (main vowel) and the end. According to vowel structure, it can be divided into single vowel, compound vowel and nasal vowel.

Every vowel must have a rhyme belly, and the beginning and end of the rhyme are dispensable. For example, the vowel of "da" à is a, a is a rhyme belly, and there is no rhyme head and no rhyme end; The vowel of "gua" guā is ua, where U is rhyme and A is rhyme, and there is no rhyme. The vowel of "Dao" dāo is ao, where A is the rhyme belly and O is the rhyme ending, and there is no rhyme.

References:

Baidu encyclopedia? Monovowel or compound vowel (of Chinese syllables)