21到99的英文怎么写

21到99的英文表达如下：

21: twenty-one

22: twenty-two

23: twenty-three

24: twenty-four

25: twenty-five

26: twenty-six

27: twenty-seven

28: twenty-eight

29: twenty-nine

30: thirty

31: thirty-one

32: thirty-two

33: thirty-three

34: thirty-four

35: thirty-five

36: thirty-six

37: thirty-seven

38: thirty-eight

39: thirty-nine

40: forty

41: forty-one

42: forty-two

43: forty-three

44: forty-four

45: forty-five

46: forty-six

47: forty-seven

48: forty-eight

49: forty-nine

50: fifty

51: fifty-one

52: fifty-two

53: fifty-three

54: fifty-four

55: fifty-five

56: fifty-six

57: fifty-seven

58: fifty-eight

59: fifty-nine

60: sixty

61: sixty-one

62: sixty-two

63: sixty-three

64: sixty-four

65: sixty-five

66: sixty-six

67: sixty-seven

68: sixty-eight

69: sixty-nine

70: seventy

71: seventy-one

72: seventy-two

73: seventy-three

74: seventy-four

75: seventy-five

76: seventy-six

77: seventy-seven

78: seventy-eight

79: seventy-nine

80: eighty

81: eighty-one

82: eighty-two

83: eighty-three

84: eighty-four

85: eighty-five

86: eighty-six

87: eighty-seven

88: eighty-eight

89: eighty-nine

90: ninety

91: ninety-one

92: ninety-two

93: ninety-three

94: ninety-four

95: ninety-five

96: ninety-six

97: ninety-seven

98: ninety-eight

99: ninety-nine