发音
双唇紧闭
然后突然放开
气流突然外泄
声带震动

单词
bee bear bird
bull busy ball
black blue body
banana beer boat
book bring brother
job pub web
club disturb grab
able about double
remember number problem

句子
The bear drinks beer.
Bring some bananas.
The club needs booking.
Go boating with my brother.
The boy is playing the blue ball.

同音
[b]
bay bey
bail bale
bare bear
bait bate
ball bawl
bean been
berry bury

辨音
[b] [p]
big pig
bin pin
bet pet
bay pay
bull pull
cub cup
bear pear
bare pare
base pace
blank plank

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