鵼鵼小舞
1、quantity英[ˈkwɒntəti]美[ˈkwɑːntəti]，n.量; 数量; 大量; 数额; 数目; 大批; 众多; 大宗。 2、[例句]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。
我的猫叫毛毛
1、quantity英[_kw_nt_ti]美[_kwɑ_nt_ti]，n.量;数量;大量;数额;数目;大批;众多;大宗。2、[例句]Infigure24DdenotesquantitydemandedandSdenotesquantitysupplied.在图24中，D代表需求量而S代表供应量。
金语佳诚
quantity 英 ['kwɒntɪtɪ] 美 ['kwɑntəti] n. 量，数量；大量；总量[ 复数 quantities ]词组短语：quantity of数量；流量large quantity大量；大数量quality and quantity质量和数量英文解释及例句：1.N-VAR A quantity is an amount. 数量例：...a small quantity of water.…少量的水。2.N-UNCOUNT Things that are produced or available in quantity are produced or available in large amounts. 大量例：After some initial problems, acetone was successfully produced in quantity.解决了最初的一些问题后，成功地生产出了大量丙酮。3.N-UNCOUNT You can use quantity to refer to the amount of something that there is, especially when you want to contrast it with its quality. (尤指相对于质量而言的) 数量例：...the less discerning drinker who prefers quantity to quality.…重量不重质、识别力较差的饮酒者。4.PHRASE If you say that someone or something is an unknown quantity, you mean that not much is known about what they are like or how they will behave. 未知量; 未知数例：She had known Max for some years now, but he was still pretty much an unknown quantity.她现在认识马克斯也好几年了，但是他仍然是个大大的未知数。
小洲洲大肚皮
......的数量：the number of……
的数量quantity 英[ˈkwɒntəti] 美[ˈkwɑ:ntəti]
n. 量，数量; 定量，大批; 数目; [语音学、韵律学]音量（指元音或音节的长短）。
例如：
1、企业倒闭的数量增加了。
The number of business failures has rise。
2、数了数鱼的数量，并把平均重量记录了下来。
The fish were counted and an average weight recorded。
构成
（1）元音字母和大多数除s,z,x,sh,ch之外的辅音字母（或字母组合）直接加-s,清辅音后的s读作/s/ ，元音和浊辅音后的s读作/z/。如：bag-bags,biscuit-biscuits,egg-eggs.当单数名词结尾为se，ze，ge，ce时（其词尾辅音为/s，z，ʃ，ʒ/等），加s后读作/iz/。
（2）当单数名词结尾为s,z,x,sh,软音ch时（其词尾辅音为/s，z，ʃ，ʒ/等）加-es（读/iz/）, 如：box-boxes, peach-peaches. (o有时也是，但es读音为/z/如hero-heroes)例外：stomach-stomachs（因ch读作/k/）。
以上内容参考：百度百科-复数
