【發(fā)音要領(lǐng)】
/??/在發(fā)音時,唇形和舌位從/??/向/?/平滑過渡。讀元音/?? /的時候,唇形要收攏。舌尖觸碰下齒齦,舌中部下沉,舌根向后推并稍抬高;嘴唇向前突出,兩唇間留大約一個拇指寬度的空隙。此時口腔中形成了一個橢圓柱形通道。然后舌身向前頂,嘴角向兩邊自然延伸,發(fā)元音/?/。注意兩個元音之間的過渡要平滑,音程占比是大約7:3。
仔細聽音頻,體會兩個音素構(gòu)成一個雙元音的結(jié)合方式。
【單詞辨音】
all oil
ball boil
corn coin
tore toy
【短句對比】
It's It's all there. / It's oil there.
It's a ball on his head! / It's a boil on his head!
Look at that golden corn. / Look at that golden coin.
The paper tore. / The paper toy.
Hear the engine roar. / It's a kite.