03 数字种类
位数 digit/figure
1 位数 single-digit
去年的通货膨胀是1位数。
Inflation was single-digit last year.
我计算错了一位数。
I was one digit off.
2 位数 double-digit
两位数的通货膨胀 double-digit inflation
3 位数 three-digit
三位的数字 a three-digit number
她拿到六位数的薪水。
Her salary is in six figures.
邮编增至七位数。
The postal code was lengthened to seven digits.
这个计算器能够计算到10位数。
This calculator can go up to ten digits.
第1 first
她在竞赛中得第一。
She won the first prize in the contest.
我们队得了第一名。
Our team came in first.
她在班上排第一。
She is first in her class.
安全第一 Safety first.
第2 second
我在拉力赛中排名第二。
I got the second(place) in the race.
大日是日本第二大汽车制造公司。
Dainichi is the second largest car maker in Japan.
第3 third
某银行世界排名第三。
X Bank ranks third in the world.
第～ ～th
她在拉力赛中只进入了第15名。
She only finished 15th in the race.
前几名 top
排前五名的公司 the top five companies
进入前10名 make the top ten
最后 last
他排最后。He ranked last.
第1个 first
我们首先到达。
We were(the) first to arrive.
坐在第一[三]排
sit in the front[third] row
前100人 the first 100 people
第2个 second
她第2个举手。
She was the second to raise her hand.
第3个 third
顺[倒]数第3行
the third line from the top[bottom]
第三者 a third party
从右数第四个
Give me the fourth one from the right.
雨巷火车站是第五站。
There are four stops to go before Rainlane.
我在100人中排35位。
I was 35th out of 100.
不知道他正在吸第几支烟。
He is smoking his umpteenth cigarette.
最后 last
最后的两页 the last two pages
我倒数第二。I was the second to the last.
第几名 what place
熊队排名第几？
What place are the Bears in? /Where do the Bears rank?
她第几名（拉力赛等）？
What place did she come in?
“你排第几号（等待的顺序）？”
"How many people are there before you?"
“第五号” "I'm the fifth."
“雨巷从这儿数是第几站？”
"How many stops are there between here and Rainlane?"
“是第二站。”
"There is one stop. /It's the second stop from here."
克林顿是第几任总统？
What number President is Clinton?
这是她的第几部小说作品？
How many novels has she written now?
你现在有几个孩子？
How many children do you have now?
一流的 first-rate
一等的 first-class
一次 once
两次 twice
～次 ～times
我们每年休假两次。
We can take a vacation twice a year.
有二次有三次。
Never twice without three times.
他每月大约看四、五次电影。
He sees movies four or five times a month.
她也多次去过美国。
She has been to America many times.
～回 how many times
我说几遍你能明白？
How many times do I have to tell you?
第～次 ～time
这是初次。
This is my first time.
初次见到她是10年前。
I met her for the first time 10 years ago.
第二次打电话时，他不在。
The second time I called, he was out.
来加拿大这是第三次。
This is my third visit to Canada.
最后 the last time
最后一次见到他是在一个月之前。
The last time I met him was a month ago.
这次去加拿大访问是第几次？
How many times have you been to Canada now?
比较 comparison
这块表比那块表便宜50美元。
This watch is $50 cheaper than that one.
新型 CPU 速度提高 30% 。
The new CUP is 30% faster.
～倍 ～times
X倍表示方法是X times as ... as 或者用 X times + 比较级表示，一旦用比较级，X倍究竟是多少倍，会出现 X倍+1 倍不明确的结果，所以严谨场合需要使用X times as ...as 表示。
二倍 twice/double
他的收入是我的两倍。
His income is twice as large as mine.
他的年龄是我年龄的两倍。
He is double my age.
她的书籍比我多一倍。
She has twice as many books as I do.
会员人数五年中翻了一番。
The number of members has doubled in five years.
他们的住宅在出我们的一倍。
Their appartment is twice as big as ours.
三倍 three times/triple
这个箱子有那个箱子的三倍重。
This box is three times as heavy as that one.
上月的降雪是平常年份的三倍。
Last month's snowfall was triple the average.
五倍 five times
参加这次游行的人数是上次的五倍。
Five times as many people came to the demonstration as last time.
我必须还五倍。
I will pay five times as much.
这台机器比那台效率高五倍。
This machine is five times more efficient than that one.
把物体放大500倍
magnify objects 500 times
日本的海岸线是美国的1.7倍。
The coastline of Japan is 70% longer than that of the United States.
一倍半 half as much(many)...again as
今年房子的价格与五年前相比长了一倍半。
Houses cost half as much again this year as they did five years ago.
～倍的 ～fold
增加四倍 a four fold increase
增加10倍 increase ten fold
增长四倍 quadruple
石油生产增长四倍。
Oil production has quadrupled.
这家工厂产量增长五倍。
The factory increased its output by a factor of five.
(To be continued)
