来自蒋宏的问题
【translate:Aisusedwhenthenextwordbeginswithaconsonant.thks.Anisusedwhenthenextwordbeginswithavowelsound.】
translate:Aisusedwhenthenextwordbeginswithaconsonant.thks.
Anisusedwhenthenextwordbeginswithavowelsound.

