1,2,3,4,5,...这些基本的数词,叫基数词
第一,第三,第三,...这些强詷顺序的词,叫序数词
355=300 加 55 即读: three hundred and fifty-five
8,672=8000 加672 ,读作:eight thousand six hundred and seventy-two
五十七万:577,826=577个千 加 826 读作five hundred and seventy-seven thousand eight hundred and twenty-six
1,535,614=一百万 加535千,加614
22,535,614=22百万 加535千 加614 读作 two million five hundred and thirty-five thousand six hundred and fourteen.
million:一个mi为百万。一个亿=一百个百万,即读:one hundred million
billion:10个亿
表示200,2000名这种具体数字时,用hundred,thousand用单数,如
nine hundred students
表示成千上万这种概数时,用复数
Hundreds and thousands of workers.
分数
分母用序数词,分子用基数词,分子是1时,分母用单数,分子大于1时,分母用复数
小数
8.35 eight point three five
百分数
0.28% o point two eight percent
数学
加plus(and), 减 minus, 乘times,或者8x5=40( five multiplied by eight is)
除divided by
加“等于”用:be,are equal to,equal/equals/make /makes
减“等于”用:be / leaves 或者:8-2=6(2来自8留下6)Two from eight is(leaves)six
乘除“等于”用:be
时间
o'clock 只用于整点,如at twenty past eleven后面不能用o'clock
fifteen不能代替a quarter
时刻:at six in the afternoon / at four o'clock
年月日 先读月日后读年
1998年读作:19-98:nineteen ninety-eight
2000年读作:year two thousand
某月中某日用序数词,可用the,也可不用 如the first of May或May the first
月份年代:in May ,in 1977
周日:on Sunday
公元前B.C .公元后A.D. 如公元前608,读作:six 0 eight B.C
年代世纪
年代:90s 60s 九十年代 六十年代
世纪:21st century
编号:名词在前:Room 203,Bus No.5,Page210 ,Telephone No.23
几十岁:复数(基数词)
in one's twenties 20-29岁
in one's early forties 40来岁
in one's late forties 快50岁
in one's fifties 50多岁
in one's teens. 十几岁
固定词组
in twos and threes 三三两两
one by one 一个一个地
at sixes and sevens 乱七八糟
dozen 前面用many some several时用单数
a dozen /a dozen or so/dozens of/some dozens of students/for dozens of years/
score跟具体数字连用时,用单数
a score /a score or so/ scores of /a score of years/two score of chairs /
hundred可以用单数也可用复数
阅读(1374) | 评论(0) | 转发(0) |