书籍 Headway – 基础 - 日常英语（第四单元）

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

号码, 数字

the number 19

十九

the number 21; the number of days in three weeks

二十一, 21

the number 36; the number of months in three years

三十六

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

四十五

the number 91; the number of minutes in a typical soccer game plus one

the number 66; the number of players on six soccer teams

六十六

of the number 100; the number of years in a century

一百, 百

the number of meters in one kilometer

一千, 1000

the number 1 followed by 6 zeros

一百万, 百万

the number 8

八

the number 10

十, 10

the number 12

十二, number twelve

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

三十二

the number 60

六十

the number 76

七十六, 76

the number 99; the number of players on nine soccer teams

九十九, 99

the number 16

十六

the punctuation mark . used to indicate that a sentence or an abbreviation is ended

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