n. 百万；
adj. 百万的；无数的；
(1) 用单数的场合
当这些词与具体数字连用时，习惯上用单数，而且也不后接介词of。如：
He was prepared to pay two million. 他愿意支付200万。
More than a hundred people were injured. 有一百多人受了伤。
但是，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：
About three hundred of them have left there. 他们当中约有300人离开了那儿。
(2) 用复数的场合
当这些词不与具体数字连用，而是表示不确定的泛指数时，则不仅要要用复数，而且要后接介词of，然后才能接名词。如：
The sun was shining. Thousands of people were lying on the beach. 阳光灿烂，数以千计的人躺在海滩上。
A careless mistake cost the company millions of pounds. 一个粗心的错误使公司蒙受数百镑的损失。
1. Three hundred million dollars will be nothing like enough.
3亿美元远远不够。
2. Albania is a small nation state of around 3 million people.
阿尔巴尼亚是一个大约有300万人口的单一民族独立国家。
3. The disease wiped out 40 million rabbits at a stroke.
该疾病一下子就使4,000万只兔子丧命。
4. Somalia, pop. 7.9 million, income per head about £1.60 a week.
索马里，人口790万，人均收入大约每周1.60英镑。
5. America imports about 190 million pounds of tea a year.
美国每年进口大约1.9亿磅茶叶。
6. In 1986 more than three million were receiving unemployment benefit.
1986年，有300多万人领取失业救济金。