How to read Pinyin u and W?

How to read Pinyin u and W?


It's actually the same sound
But w is always written in front, as the initial consonant
U will never be written in front of it as a vowel



Is the pronunciation of "Y" and "I" the same?


The same, read "clothes"



Is the pronunciation of w.u in pinyin the same, not the English alphabet


The same
W is the initial consonant
U is the final