North of that line strut words, words like cup, under, mother, love, son are gonna have a vowel sound something like ooh, very similar to the vowel sound in foot words like wood, butcher, woman, look.
在这条线的北部,像杯子、下面、妈妈、爱、儿子 这样的单词会有一个元音,比如 ooh,非常类似于脚这个单词中的元音,比如木头,屠夫,女人,看。