请教有关英语中数字单位的用法.关于数字单位:hundred/thousand/million的用法.还有hundreds of/thousands of/millions of的用法.和hundred of/thousand of/million of的用法..以及他们的区别在哪里?

问题描述:

请教有关英语中数字单位的用法.
关于数字单位:
hundred/thousand/million的用法.
还有hundreds of/thousands of/millions of的用法.
和hundred of/thousand of/million of的用法..
以及他们的区别在哪里?

dozen,score,hundred,thousand,million用法要点
这些词的用法极为相似,需注意的用法有:
1.当这些词与具体数字连用时,通常不加复数词尾-s,也不后接介词 of.如:
I want three score eggs.我要60只鸡蛋.
He is a man of three score years.他六十岁.
Two hundred (thousand) students went there.有两百(千)学生去了那儿.
About three million workers were on strike.参加罢工的大约有三百万工人.
注:有人认为 score,dozen 之后有时也接 of,但惯用法认为省略 of 则常见.
另外,当 million 用作中心词(即其后不接名词或数词)时,有时也可带复数词尾-s.如:
The population of New Zealand is now three million(s).新西兰现有人口三百万.
2.当这些词不与具体数字连用,而是表示不确定的泛指数时,则不仅要加复数词尾-s,而且要后接介词 of,然后才能接名词.如:
I’ve read it dozens (scores) of times.我读过它几十次.
Thousands of students entered the contest.数千名学生参加了这次比赛.
Millions of people died in the war.有数百万人在这次战争中丧生.
注:若不出现名词,则不用介词 of.如:
Millions (of people) are homeless.千千万万的人无家可归.
3.当这些词与 a few,several,many 等数目不很具体的词连用时,带不带复数词尾 -s 均可,但是注意:若不带复数词 -s,其后的介词 of 可以省略;若带复数词尾-s,则其后介词 of 不能省略.如:
在那儿我见到了数百外宾.
正:There I saw several hundred(s) of foreign guests.
正:There I saw several hundred foreign guests.
注意 some hundred persons 与 some hundreds of persons 含义不同:前者指“大约一百人”,其中 some=about a;后者指“几百人”.
4.当这些词后面的名词有了 the,these,those等特指限定词修饰时,或其后的接的是 us,them 这样的人称代词时,则此时必须用介词 of.如:
two dozen of them 它们中的两打
three scores of these eggs 这些鸡蛋中的三打
five hundred of the workers 这些工人中的五百人
5.注意以下与介词 by 连用的例子(from www.yygrammar.com):
The eggs are sold by the dozen.鸡蛋按打出售.
The ants arrived at the picnic by the hundred(s).成群的蚂蚁来到野餐的地方.
They were sold by the thousand(s).它们被大批大批地(论千地)出售.
比较:Pack them in dozens.把它们成打地包起来(即每12个一包).