大多情况下:[əu] [au] [۸] [u] [u:]
[əu]:soul foul mould跟l连接
[au]:house mouth noun out一般情况下
[۸]: tough enough 跟gh连接
[u] [u:]:you soup would 特殊
大多情况下:[əu] [au] [۸] [u] [u:]
[əu]:soul foul mould跟l连接
[au]:house mouth noun out一般情况下
[۸]: tough enough 跟gh连接
[u] [u:]:you soup would 特殊