21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.的英文

twenty-one21 twenty-two22 twenty-three 23 twenty-four24 twenty-five25 twenty-six 26 twenty-seven 27
twenty-eight28 twenty-nine 29 thirty30 thirty-one31 thirty- two 32 thirty- three 33 thirty- four 34 thirty- five35
thirty- six36 thirty- seven37 thirty- eight 38 thirty- nine 39