美国英语音标外教发音详解视频：清辅音t和浊辅音d发音

清辅音t和浊辅音d

清辅音t示例单词
pat
浊辅音d示范单词
dad

句子示范：I bet you did

发音区分madder和matter
madder
I'm madder than I have even been

matter:
Wwhat's the matter

dime, drain, do,

发音区分第二组

time和dime
tad和dad
tote和dote

t和d的发音练习句：
Tom tasted dad's dark chocolate treats