Pen Shui Pin Yin“Pen shui” zai Han Yu Pin Yin zhong de xie fa wei “pēn shuǐ”, qi zhong “pen” (pēn) tong chang biao shi huo lie, jin fa de dong zuo, er “shui” (shuǐ) ze zhi de shi shui fen. liang
pin yin un fa yin"un" shi han yu pin yin zhong de yi ge fu yun mu, ta zai han zi de fa yin zhong you zhe te shu de zu yong. gen ju xian dai han yu pin yin xi tong,"un" shi you "u" he "
pin yin u liang dian biao sheng diaoVietnamese commonly uses "u" with two dots above it to mark the tone, which is one of the basic rules in Vietnamese spelling.
