这个音怎么发?
Place the tip of your tongue between your upper and lower teeth. Don't put it between your
lips. Make the sound by forcing air through the opening between your teeth and your tongue.
Vibrate your vocal cords to make
跟读下列单词
Exercise One: Word Repetition
Listen to the following words and repeat.
than although sheathe
those mother loathe
there father teethe
them northern soothe
thy whether seethe
跟读下列单词,注意单词之间的细微差别
than Dan breathing breeding
father fodder dare there
either ether clothing closing
teething teasing thy thigh
those doze thy die