20个元音怎么写
问题描述：
20个元音怎么写
答
元音 [i] e,ee,ea,ie,ei,eo,ey,i [i] i,y,ui,u,e,a [e] e,ea,a,ue,u,ie,ai,ei,ay [ae]a [a:]a,ar,al,ear,uar,au [c](这个音标打不出只好打反的)o,a,ou [c:]or,au,aw,al,ou,ar,oa,ore,our,oor,oar,a [u] oo,u,ou,o [u...