书籍 English File – 基础 - 第 9C 课

used when we want to talk about a person or thing for the first time or when other people may not know who or what they are

一个, 一

the number 100

一百

used to connect two words, phrases, or sentences referring to related things

和, 与

the number 5

五

referring to the numerical value that represents the result of multiplying two by one hundred

二百, 两百

referring to the numerical value that represents the quantity or value obtained by multiplying three by one hundred

三百, 300

the number 50

五十

the number 75

七十五

the number 1 followed by 3 zeros

千, 1000

the number 1 followed by 6 zeros

一百万, 百万