amount

詞意辨析：

quantity, amount, number, sum

這些名詞均有“總數、總量”之意。
quantity: 書面用詞，指事物的總量和總數量，側重大批計量，含準確測量的意味。
amount: 普通用詞，與quantity近義，但強調整體，指把所有數量、重量及度量歸併在一起得出的總數。
number: 普通用詞，指人或物的數目，強調數的概念。
sum: 普通用詞，指簡單加算的結果。英文字典

英文解釋：

名詞 amount:

1. how much of something is available
2. a quantity of money
   同義詞：sum, sum of money, amount of money
3. how much there is of something that you can quantify
   同義詞：measure, quantity
4. a quantity obtained by the addition of a group of numbers
   同義詞：sum, total

動詞 amount:

1. be tantamount or equivalent to
2. add up in number or quantity
   同義詞：total, number, add up, come
3. develop into
   同義詞：come, add up

　

詞型變化：

動詞過去式:amounted 過去分詞:amounted 現在分詞:amounting 第三人稱單數:amounts 

英文造句：

1. The amount of unemployed capital is very large.
   未被利用的資金數量很大。
2. The railroad gives free transportation for a certain amount of baggage.
   鐵路對一定數量行李免費運送。
3. It all amounts to a lot of hard work.
   那一切意味著大量艱苦工作。
4. A large amount of money is spent on advertisements every year.
   每年都要花費大量金錢在廣告上。
5. My savings amount to $2000.
   我的儲蓄共達2000美元。