按 按钮 是 吧
an4 an4niu3 shi4 ba
v n v:cop sfp
按 按钮 是 吧 ?
a ˥˩ n WORD_BOUNDARY a ˥˩ n n j ou̯ ˧˩˧ WORD_BOUNDARY ʂ ɻ̩ ˥˩ WORD_BOUNDARY p a WORD_BOUNDARY 
按 WORD_BOUNDARY 按 钮 WORD_BOUNDARY 是 WORD_BOUNDARY 吧 WORD_BOUNDARY