摘要：其本身作名词可以说可数名词也可以是不可数名词。含义是：数量；金额；数额；总数；总额如：

amount/əˈmaʊnt/

n.

数量；金额；数额

v.

合计，共计；等同，接近

1. 其本身作名词可以说可数名词也可以是不可数名词。含义是：数量；金额；数额；总数；总额如：

The insurance company will refund any amount due to you.

保险公司将退还你应得的所有款项。

the amount of+不可数名词：某某的总数，某某的总量

He needs that amount of money to survive.

他需要那样一笔钱以生存下去。

The work was done with the minimum amount of effort.

做这项工作没费什么劲。

People should decrease the amount of fat they eat.

人们应减少脂肪的摄入量。

They have assessed the amount of compensation to be paid.

他们已经核定赔偿额。

The amount of alcohol in his blood was triple the legal maximum.

他血液中的酒精含量为法定最高限量的三倍。

The amount of fuel that this car uses is a big strike against it.

耗油量大是这辆车的一大缺点。

The fee they are offering bears no relation to the amount of work involved.

他们支付的酬金和所需的工作量无关。

There are no restrictions on the amount of money you can withdraw.

取款没有限额。

We're trying to cut down on the amount of paperwork involved.

我们正在努力降低有关此事的文书工作量。

The amount of lift increases with the speed of the aircraft.

飞机的升力随着飞行速度的提高而增大。

如果要表示可数名词的数目，总数，总量，则是

the number of+复数名词，如：

There has been a sharp rise in the number of people out of work.

失业人数急剧增长。

The number of reported crimes is increasing at an alarming rate.

报警案件的数量正在以惊人的速度增长。

This brought the total number of accidents so far this year to 113.

这使得今年迄今为止发生事故的总数达到113起。

The number of homeless people is a telling comment on the state of society.

无家可归者的数量是社会状况的生动写照。

The number of new students decreased from 210 to 160 this year.

今年新生人数从210减少到160。

Double the expected number of people came to the meeting.

出席会议的人数比预期的多一倍。

The number of employees was reduced from 40 to 25.

雇员人数从40人减少到了25人。

We restrict the number of students per class to 10.

我们将每个班的学生人数限定为10人。

Concern is growing over the number of children excluded from school.

对遭学校开除的儿童人数之众，人们越来越表关注。

2.an amount of, mounts of表示大量的，许多的，在标准英语中,a large amount of和large

amounts of绝不可与可数名词连用,只能与不可数名词连用，注意是“连用”不是“修饰”；因为在按照英语惯用法,当a large amount(quantity)of+不可数名词或( large)amounts( quantities)of +不可数名词充当主语时,其谓语动词的数决定于 amount(quantity)的数。应该把这两种结构中amount(quantity)看作是中心词而不是修饰词。如：

I had not expected such an amount of praise.

我没有料到会得到如此之多的赞扬。

The project wasted a considerable amount of time and money.

那项工程耗费了相当多的时间和资金。

A tremendous amount of work has gone into the project.

大量的工作已投入到这项工程。

A small amount of this paint goes a long way.

这种涂料用一点就可涂一大片。

Somewhere along the line a large amount of money went missing.

有一笔巨款在某一环节上不翼而飞。

There is still an immense amount of work to be done.

还有非常非常多的工作没有做。

I've got a terrific amount of work to do.

我有大量的工作要做。

The car has a generous amount of space.

这辆汽车的空间很大。

The singer earns a colossal amount of money.

那歌手现在可赚大钱了。

He earns an obscene amount of money.

他捞了一大笔钱。

Nuclear fission releases tremendous amounts of energy.

核裂变释放出巨大的能量。

The atomic reactor generates enormous amounts of thermal energy.

原子反应堆发出大量的热能。

I went out for a meal last night and drank copious amounts of red wine

我昨晚出去吃饭，喝了很多红酒。

Vast amounts of energy, from X-rays right through the spectrum down to radio waves, are escaping into space

大量的能量，从X光直到无线电电波，都正被泄露到太空中去。

Large amounts of money were spent on the bridge.

这座桥花费了大量的钱。

Vast amounts of money are being invested in the local market.(TOEFL)

大量资金投放在当地市场上。

He must often memorize large amounts of material.

他必须经常熟记大量材料

Quantities of food were on the table.

桌上有大量的食物。

Quantities of food were on the table.大量的食物摆在了桌子上。

Large quantities of wheat are sent abroad. 大量小麦被运往国外。

an amount of, mounts of在语言（尤在美国英语）实践中偶尔也可以与可数名词复数连用，请看权威经典例句：

A great amount of our investments are in property.

我们的大量资金投在房地产上。

There were large amounts of tourists on the ferry.

渡船上有大量的旅游者。

The lower-paid spend a disproportionately large amount of their earnings on food.

低工资者将收入花在食物上的比例很大。

Huge amounts of weapons remain to be collected.

大量的武器仍有待收缴。

The electricity industry consumes large amounts of fossil fuels.

电力工业消耗大量的矿物燃料。

说明这种用法在某种程度上被人们所接受。

关于quantity用法本人有专门文章给予秒杀性论述，欢迎查阅。

来源：翅膀英语一点号