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