ra 中的(a) 是典型的前元音(即口腔前部发音).
李阳疯狂英语中叫做疯狂90度裂嘴音,例句:The bl(a)ck l(a)d was very s(a)d because his d(a)d h(a)d dead in a b(a)d (a)ccident in the f(a)ctory.
论坛中,谷兴的THE HAPPY DOOR中:happy,happiness,has,exact,character,glance,attract,reality,habit.
Hope it's helpful.
李阳疯狂英语中叫做疯狂90度裂嘴音,例句:The bl(a)ck l(a)d was very s(a)d because his d(a)d h(a)d dead in a b(a)d (a)ccident in the f(a)ctory.
论坛中,谷兴的THE HAPPY DOOR中:happy,happiness,has,exact,character,glance,attract,reality,habit.
Hope it's helpful.