这 是 鸭 妈妈
zhe4 shi4 ya1 ma1
pro:dem v:cop n n:relat
这 是 鸭 妈妈 .
ʈʂ ɤ ˥˩ WORD_BOUNDARY ʂ ɻ̩ ˥˩ WORD_BOUNDARY j a ˥ WORD_BOUNDARY m a ˥ WORD_BOUNDARY 
这 WORD_BOUNDARY 是 WORD_BOUNDARY 鸭 WORD_BOUNDARY 妈 妈 WORD_BOUNDARY