这 是 圆 啊
zhe4 shi4 yuan2 a1
pro:dem v:cop v sfp
这 是 圆 啊 .
ʈʂ ɤ ˥˩ WORD_BOUNDARY ʂ ɻ̩ ˥˩ WORD_BOUNDARY ɥ ɛ ˧˥ n WORD_BOUNDARY a ˥ WORD_BOUNDARY 
这 WORD_BOUNDARY 是 WORD_BOUNDARY 圆 WORD_BOUNDARY 啊 WORD_BOUNDARY