[p?] [t?] [k?]
[p?] [t?] [k?]
[b] [d] [ɡ]
[?]
[?]
p, t, k发非气音情况
非开头音和重音
[?]发音情况
t出现在字尾
cat
apartment
late
lately
shortly
t后面有n时
button
curtain
certainly
patent
Patton
非气音练习
open
[o??p???n]
go up on
[ɡo???? p?ɑ?n]
making
[k?]
back up
[k?]
come back again
[k? k? ɡ]
闪音
[?]
get out
[?]
get out of
[? ?]
little
[l????]
better
[b????]
city
[?]
glottal
[?]
原文：https://www.cnblogs.com/ret688/p/12848976.html