买 过 苹果 么
mai3 guo4 ping2guo3 me
v asp n sfp
买 过 苹果 么 ?
m ai̯˧˩˧ WORD_BOUNDARY k w o˥˩ WORD_BOUNDARY pʰ i˧˥ ŋ k w o˧˩˧ WORD_BOUNDARY m ɤ WORD_BOUNDARY 
买 WORD_BOUNDARY 过 WORD_BOUNDARY 苹 果 WORD_BOUNDARY 么 WORD_BOUNDARY