quantity, aggregate, amount, number, sum, total, whole
这组词共同的意思是“总数、总合”。它们的区别是：
aggregate指把数目的各个部分加在一起；amount指累积的结果；number指数字或东西相加所得的总数；sum指最后的总结果，表示截至现在的总数, 还有增加的可能；total和whole都指合计的结果的全体，total常指大的数量，whole也含有各部分总和的意味。quantity主要表示物质的量。
adj.
［' ɡrIɡət］
quantity，amount，number，sum
这些名词均有“总数、总量”之意。
quantity书面用词，指事物的总量和总数量，侧重大批计量，含准确测量的意味。
amount普通用词，与quantity近义，但强调整体，指把所有数量、重量及度量归并在一起得出的总数。
number普通用词，指人或物的数目，强调数的概念。
sum普通用词，指简单加算的结果。
This may seem a large quantity of mushrooms, but they do boil down considerably.
这些蘑菇看上去很多，但一煮就没多少了。
——柯林斯例句
He is an unknown quantity for his rivals.
对于对手们而言，他是个未知数。
——柯林斯例句
To her the outside world was a totally unknown quantity.
对她来说,外部世界完全是个未知数.
——《简明英汉词典》
Mathematics is the science of pure quantity.
数学是研究纯数量的科学.
——《简明英汉词典》
The results of the sample for the test have shown that the quantity of fatty substance in milk is appropriate to the standard.
采样检验的结果表明牛奶中的脂肪含量达标.
——《现代汉英综合大词典》
In algebra, the sign X usually denotes an unknown quantity.
在代数里, 符号X常用来表示未知数.
《简明英汉词典》
They aim at quality rather than quantity.
他们的目的在于提高质量而不是增加数量.
《现代汉英综合大词典》
The factory had accidentally released a quantity of toxic waste into the sea.
这家工厂意外泄漏大量有毒废物到海中.
——《简明英汉词典》
In production, we demand not only quantity but also quality.
我们的产品不但要求数量多,而且要求质量高.
《现代汉英综合大词典》
His work is good in respects of quality but bad in respect of quantity.
他的工作质量很好,但数量很少.
《简明英汉词典》
Use plenty of vegetables because the cooking boils them all down to a small quantity.
要用足够的蔬菜,因为一煮就剩不了多少了.
《简明英汉词典》
He collected a quantity of curious information.
他搜集了大量稀奇古怪的消息.
——《现代汉英综合大词典》
But even with those databases, the sheer quantity of data can still cause problems.
可是即便有了那些数据库，数据的数量之大仍然会带来问题。
——柯林斯例句
In terms of quantity, production grew faster than ever before.
从数量上看，产量增长的速度比以往任何时期都要快。
柯林斯例句
It's wrong to sacrifice quality to quantity.
牺牲质量去追求数量是错误的.
——《简明英汉词典》
Forensic examination revealed a large quantity of poison in the dead man's stomach.
法医检验发现死者的胃里有大量的毒药.
——《简明英汉词典》
During fever a large quantity of fluid is lost in perspiration.
发烧时，大量水分会通过排汗而丧失。
——柯林斯例句
She bought a small quantity of flour.
她买了一点面粉.
——《用法词典》
I prefer quality to quantity.
我重质量胜过重数量.
《现代英汉综合大词典》
Don't just go after quantity.
不要单纯追求数字.
《现代汉英综合大词典》
Within the limitation of quantity you are free to do as you choose.
在这个限量内你可以任便.
《现代汉英综合大词典》
A large quantity of water is stored in the reservoir.
水库存了大量的水.
《现代汉英综合大词典》
She was burdened with a large quantity of parcels.
她吃力地捧着一大堆包裹.
《简明英汉词典》
The exact quantity cannot be determined at present.
确切数量目前尚不能确定.
《现代汉英综合大词典》
Don't strive merely for quantity of production.
在生产中不要单纯地追求数量.
《现代汉英综合大词典》
In figure 24 "D" denotes quantity demanded and "S" denotes quantity supplied.
在图24中，D代表需求量而S代表供应量。
柯林斯例句
The factory needs a large quantity of water.
这家工厂需要大量的水.
《用法词典》
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