发音
舌端先贴住牙龈,堵住气流
然后略微位下降,发出气流
声带震动

单词
jam job just
jump join joke
general generate generation
object project reject
biology danger energy
advantage age average
change charge college
large manage orange
education graduate individual
sandwich spinach Greenwich

句子
Don’t change a lot.
I am studying biology.
His job is dangerous.
I love spinach sandwich.
Oranges give me energy.

同音
[dʒ]
jay j
jest gest
jeans genes

辨音
[dʒ] [tʃ]
gin chin
ridge rich
jest chest
joke choke
badge batch
surge search

[dʒ] [j]
jet yet
jew you
joke yolk

[dʒ] [ʒ]
pledger pleasure
ledger leisure