发音
上齿轻触下唇
声带震动

单词
value valley van
vary vast very
visit voice vote
above arrive believe
drive expensive five
give have improve
live love move
develop even ever
level never over
service seven travel

句子
The sea is very vast.
I love you forever.
There is a van in the valley.
The travel service is good.
It is very expensive to drive there.

同音
[v]
vain vein
vice vise
vile vail
vail veil

辨音
[v] [f]
van fan
vat fat
vast fast
vile file
very ferry
leave leaf
live life
save safe
believe belief
prove proof

[v] [b]
vat bat
van ban
veer beer
vote boat
vent bent
very bury
vid bid
volt bolt
vroom broom