哪 个 是 梯形
na3 ge4 shi4 ti1xing2
pro:wh cl v:cop n
哪 个 是 梯形 ?
n a˧˩˧ WORD_BOUNDARY k ɤ˥˩ WORD_BOUNDARY ʂ ɻ̩˥˩ WORD_BOUNDARY tʰ i˥ ɕ i˧˥ ŋ WORD_BOUNDARY 
哪 WORD_BOUNDARY 个 WORD_BOUNDARY 是 WORD_BOUNDARY 梯 形 WORD_BOUNDARY