发ei/ai/au/əu的英语答:lay, gay, say, way; grey,hey,Reykjavik,obey./ai/:guy, buy, ; like,side,hide,bike;by,fly,my,shy /əu/: old, whole,ok,smoke;stow,blow,below,snow /au/: hour,our,house.south;how,now,cow,dowel כ i : soil,noise,noil,boil;; boy,toy,oyster,coy ...