从 哪 边 从 哪 边
cong2 na3 bian1
prep pro:wh n
从 哪 边 从 哪 边 ?
tsʰ ʊ˧˥ ŋ WORD_BOUNDARY n a˧˩˧ WORD_BOUNDARY p j ɛ˥ n WORD_BOUNDARY 
从 WORD_BOUNDARY 哪 WORD_BOUNDARY 边 WORD_BOUNDARY 从 WORD_BOUNDARY 哪 WORD_BOUNDARY 边 WORD_BOUNDARY