新概念英語(yǔ)第一冊(cè)Lesson 18 What are their jobs?

twenty thirty forty fifty sixty seventy eighty ninety
    one/a hundred one/a thousand
    百位和十位之間用and連接。
    1萬(wàn)=10千
    101：one hundred and one
    1564：one thousand five hundred and sixty four
    9059：nine thousand and fifty nine
    63,152：sixty three thousand one hundred and fifty two
    331,278：three hundred and thirty one thousand two hundred and seventy eight