发音
口半开半圆
过渡双唇成圆形

单词
go no so
poll roll toll
fold gold hold
pole role stole
boat coat goat
blow flow know
only open over
show slow snow
lone note phone
almost ghost host

句子
The phone is ringing.
Please leave a note.
The show is almost over.
The snow falls slowly.
Go boating on the lake.

同音
[əʊ]
so sew
toe tow
role roll
pole poll
know no
loan lone
sole soul
road rode
hole whole
groan grown

辨音
[əʊ] [aʊ]
know now
tone town
load loud
clone clown
drone drown
coach couch
known noun

[əʊ] [ɒ]
own on
note not
hope hop
owed odd
coast cost
won’t want
modal model
coma comma