# 书籍 Solutions - 基础 - 简介 - IA - 第 1 部分

number

a word, sign, or symbol that represents a specific quantity or amount

[名词]
ordinal number

a number that indicates the position of something in a sequence or series

[名词]
odd

not divisible by two

[形容词]
even

divisible by two

[形容词]
one

the number 1

[数词]
two

the number 2

[数词]
three

the number 3

[数词]
four

the number 4

[数词]
five

the number 5

[数词]
six

the number 6

[数词]
seven

the number 7

[数词]
eight

the number 8

[数词]
nine

the number 9

[数词]
ten

the number 10

[数词]
eleven

the number 11

[数词]
twelve

the number 12

[数词]
thirteen

the number 13

[数词]
fourteen

the number 14

[数词]
fifteen

the number 15

[数词]
sixteen

the number 16

[数词]
seventeen

the number 17

[数词]
eighteen

the number 18

[数词]
nineteen

the number 19

[数词]
twenty

the number 20

[数词]
twenty-one

describing a quantity that is one more than twenty

[形容词]
twenty-two

the number 22; the number of players on two soccer teams

22

[数词]
twenty-three

the number 23; the number of pairs of chromosomes in the human body

23

[形容词]
twenty-four

the number 24; the number of hours in a day

24

[形容词]
twenty-five

describing a quantity that is one more than twenty-four

[形容词]
twenty-six

describing a quantity that is one more than twenty-five

[形容词]
twenty-seven

the number 27; the number we get when we multiply three by seven

[名词]
twenty-eight

the number 28; the number we get when we multiply fourteen by two

[名词]
twenty-nine

describing a quantity that is one more than twenty-eight

[形容词]
thirty

the number 30

[数词]
thirty-one

of the number 31; the number of days in January, March, May, July, August, October, and December

[形容词]
thirty-two

of the number 32; the number of pieces in a game of chess

[形容词]
thirty-three

the number 33; the number of players on three soccer teams

[数词]
thirty-four

the number 34; the number of teeth an adult has

[形容词]
thirty-five

referring to the number 35; that is the number of fingers on seven hands

[形容词]
thirty-six

of the number 36; the number of months in three years

[形容词]
thirty-seven

being seven more than thirty

[形容词]
thirty-eight

being eight more than thirty

[形容词]
thirty-nine

being nine more than thirty

[形容词]
forty

the number 40

[数词]
forty-one

being one more than forty

[形容词]
forty-two

being two more than forty

[形容词]
forty-three

referring to the number 43; that is the number of legs on four crabs plus three

[形容词]
forty-four

the number 44; the number of players on four soccer teams

[数词]
forty-five

of the number 45; the number of degrees for half a right angle

45

[形容词]
forty-six

being six more than forty

[形容词]
forty-seven

the number 47; the number of weeks in a year plus five more days

[形容词]
forty-eight

being eight more than forty

[形容词]
forty-nine

being nine more than forty

[形容词]