411 REFERENCE · Wikibooks
Pinyin/Accent
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
See also
Pinyin#Pinyin tone marking
An accent is a mark on a letter to show that it should be pronounced in a particular way.
biahnyin-furhaoh shih xiaanshih tehdihng fayin fangfaa d zihmuu shahng d jihhaoh.