发音
舌尖抵住下牙龈,舌尖和舌端两侧触下齿
双唇平放,向两旁平伸
上下齿之间约相当于一个食指加中指距离

单词
bus but bug
cut cup pub
run sun gun
nut sum fun
dull lush rush
shut thus junk
mum mug mud
duck luck suck
just must dust
hunt plus plum

句子
He dug it.
The bug can buzz.
Do you have a cup?
The bug is in the mud.
It has dust and rust on it.

同音
[ʌ]
but butt
son sun
ton tonne
done dun
rough ruff
some sum
bussed bust
trussed trust

辨音
[ʌ] [ɒ]
luck lock
lung long
shut shot
gun gone
fund fond
sung song
buddy body
colour collar
brother bother
wonder wander

[ʌ] [æ]
run ran
ton tan
cut cat
fun fan
hut hat
bug bag
bun ban
luck lack
truck track
swum swam