a large amount of修饰不可数名词。a large amount of意思是“大量的”。例句：A large amount of money was spent on the bridge.这座桥花了大量的资金。

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amount的用法

（一）当amount用作名词时。

1、amount 用于表示“量”“额”，如重量、金额等。

2、amount of后一般接不可数名词，有时也可接复数可数名词，此名词被视为某一“总量”或“综述”。

例句：I didn"t expect the bill to come to this amount.我没料到账单达到这个金额。

（二）当amount用作动词时。

1、amount用作动词的基本意思是“合计,共计”,引申可指“等同,接近”。

2、amount是不及物动词,常与介词to连用。

例句：Her answer amounted to a complete refusal.她的答复等于是完全拒绝。

a large amount of的例句

1、You can get a large amount of information on the internet.

你可以在互联网上获得大量的信息。

2、I spent a large amount of my time on this work.

我在这项工作上花了不少时间。

3、A large amount of damage was done in a short time.

短期内造成大量损害。

4、After the rain, there is a large amount of flood in the city.

雨后，城市内涝。

5、It has a large amount of land.

它有大量的土地。

6、He has a large amount of mail to answer every day.

他每天有大量的信件要回复。