怎么 掉 了 啊
zen3me diao4 le a1
adv:wh v:resc asp sfp
怎么 掉 了 啊 ?
ts ə˧˩˧ n m ɤ WORD_BOUNDARY t j au̯˥˩ WORD_BOUNDARY l ɤ WORD_BOUNDARY a˥ WORD_BOUNDARY 
怎 么 WORD_BOUNDARY 掉 WORD_BOUNDARY 了 WORD_BOUNDARY 啊 WORD_BOUNDARY