秒记单词 20到99发音 ['twenti tu:] ['twenti tu:] ['twenti0ri:]['twenti f :(r)] [,twcnti'siks] [,twcnti'siks][,twcnti's vn] fifty-four seventy-six ['frfti fo:r] ['narnti naIn] 24 [,twcnti'naIn] ['twenti0ri:]['twenti f :(r)][,tw ntr'faxv] seventy-six fifty-four ['twenti wAn]['twenti tu:] ['03:tr] ['twenti] ninety-nine 99 forty-two ['83:tr'wAn] 54 42 76 thirty-one thirty 31 30 29 twenty-sixtwenty-seven twenty-eight 27 28 26 twenty-three twenty-four twenty-five ['f5:rti tu:] 23 25 twenty-one twenty-two twenty 20 22 21 ['frfti fo:r]['sevnti sxks] [,twcnti'siks][,tw nti's vn][,twenti'ert]