英语音标别混淆 corn 还是 coin

【发音要领】

/ɔɪ/在发音时，唇形和舌位从/ɔː/向/ɪ/平滑过渡。读元音/ɔː /的时候，唇形要收拢。舌尖触碰下齿龈，舌中部下沉，舌根向后推并稍抬高;嘴唇向前突出，两唇间留大约一个拇指宽度的空隙。此时口腔中形成了一个椭圆柱形通道。然后舌身向前顶，嘴角向两边自然延伸，发元音/ɪ/。注意两个元音之间的过渡要平滑，音程占比是大约7:3。

仔细听音频，体会两个音素构成一个双元音的结合方式。

【单词辨音】

all oil

ball boil

corn coin

tore toy

【短句对比】

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.