quantity

詞型變化：

名詞複數:quantities 　

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。quantity

英文解釋：

名詞 quantity:

1. how much there is of something that you can quantify
   同義詞：measure, amount
2. an adequate or large amount
3. something that has a magnitude and can be represented in mathematical expressions by a constant or a variable

quantity

中英例句：

1. The new sales director is still a bit of an unknown quantity.
   新來的銷售部主任大家還不大了解。
2. This company is more concerned with quality than with quantity.
   這家公司對質量比對產量更重視。
3. The factory turns out a large quantity of paper products.
   這家工廠生產大量的紙製品。
4. A large quantity of air-conditioners has been sold since the temperature is high.
   因為氣溫很高，有大量空調售出。
5. It was a bad year for films, in terms of both quantity and quality.
   今年的電影無論從數量上還是質量上都說不上好。