介绍:
ass/a:s/ 比如：grass,class,glass,brass.
ask/a:sk/ 比如：task,mask,basket.
air/ε∂/ 比如：hair,air,pair.
are/ε∂/ 比如：hare,mare,bare,glare.
ear/i∂/、/∂：/ 比如：hear,tear,clear；heard,learn.
igh/ai/ 比如：thigh,tight,high.
二 发辅音字母的组合
ch/t∫/,比如：chalk,chain,check,chair.
ck/k/,比如：attack,cock,knock.
dge/dз/,比如：bridge,knowledge.
ge/dз/,比如：age,cage,gorge.
kn/n/,比如：know,knock,knight.
ng/η/,比如：cling,sing,english.
nk/ηk/,比如：ink,think,blink.
ph/f/,比如：physics,photo.
qu/kw/,比如：queue,quest,require.
sh/∫/,比如：shit,sheep,shop，cash,rubbish,wash.
sion/∫∂n/,比如：tension,decision,revision.
tch/t∫/,比如：catch,match.
th/θ/、/ ð/,,比如：think,thing;those,that,this.
tion/∫∂n/,比如：attention,position.
ture/t∫∂/,比如：manufacture,torture.
wh/w/、/h/,比如：when,where,why；whose,whole,whom.
