摘要：
降低质量英语Chinese restaruants has the common phenomenon that ,if there were some certain cus... 降低质量英语
Chinese restaruants has the common phenomenon that ,if there were some certain customers ,they would reduce the weight and quality.
quality，英语单词，名词、形容词，作名词时意为“质量，[统计] 品质；特性；才能”，作形容词时意为“优质的；高品质的；<英俚>棒极了”。
短语搭配：
Quality麦当劳品质
high quality高质量 ; 优质的 ; 质量高
Software Quality[计]软件质量 ; 软体品质 ; 软件品质 ; 软件特性
superior quality优等的质量 ; 质量上乘 ; 优等品 ; 质地考究
average quality[工经]平均质量 ; 平均品质 ; 标准品质 ; 中等质量
Quality circle质量控制圈 ; 质量圈 ; 品管圈 ; 品质圈
quality engineering品质工程 ;[科技]质量工程 ; 质量工程人员 ; 品质工程人员
quality paper高级报纸 ; 严肃报纸 ; 好纸 ; 高等报纸
双语例句：
I assure you of its quality.
我向你保证它的品质。
Not a high quality sound AT ALL, but I have fun with it.
没有一个高品质的声音在所有，但我已与它的乐趣。
Quality over quantity should be your goal.
您的目标应该是质量胜过数量。
When costs are cut product quality suffers.
降低成本，产品质量就会受到 影响。
Other services vary dramatically in quality.
其它服务在质量上差异很大。
In all our products the accent is on quality.
我们的全部产品都是强调质量。
In our company, quality is high on the agenda.
我们公司高度重视质量。
I was disappointed by the quality of the wine.
这酒的质量令我失望。
Lower the quality of life
The most common phenomenen in Chinese restaurants is that the share and the quality will be reduced when they have certain customers
降低空气质量英文
The best way to improve the air quality is to reduce pollution.
译：improve air quality。谢谢采纳
improve the quality of air
降低数量英文
decrease
楼上回答正确
一般的区别是,fall是强调自己掉下,而drop是强调被人掉下. 但如果说数据下降了多少,两个都可以. 其实如果留意一下英语新闻,还可以用别的词,例如说“股价下跌了10%”,可以说The share price fell/dropped/tumbled by 10% （或者shedded 10%）
1、decrease
vi. become smaller or fewer in size, amount, intensity or degree
减少，减小，减弱，降低
vt. make smaller or fewer in size, amount, intensity or degree
使减小，使减少
n. an instance or example of becoming smaller or fewer
减小或减少
2、fall
vi. decrease in number, amount, intensity or quality
减少，下降
In 1987 imports into Britain fell by 12 per cent.
1987年，英国进口降低了12%。
3、reduce
vt. make smaller or less in amount, degree, or size
减少（数量），降低（程度），缩小（规模）
the need for businesses to reduce costs
公司降低成本的需要
vi. become smaller or less in size, amount, or degree
（规模）缩小，（数量）减少，（程度）降低
the number of priority homeless cases has reduced slightly
被优先照顾的无家可归者人数已微幅下降
4、down
to or at a lower price, value or rank
（价格、价值或等级）由高到低
output was down by 20 per cent
产量下降了20%
5、drop
v. make or become lower, weaker or less
（使）降低，（使）变弱，（使）减少
pre-tax profits dropped by 37 per cent
税前利润减少了37%
n. a fall in amount, quality or rate
（数量、质量、比率的）减少，降低
a significant drop in consumer spending
消费者开支的显著减少
降低音量的英语
turn downlower是更低
turn down the music sound
becausehervoiceisverythin
decrease volume减小音量abate减小
产量降低的英语
下降的英语短语篇11. The Liberal Democrat'ssupport fell away at the last minute.自由民主党的支持率在最后一刻有所下降。2. He lost two stone in weight during his time there.他在那儿的时候体重下降了2英石。3. Last year, economic growth tailed off to below four percent.去年，经济增长率下降到4%以下。4. The electoral fortunes of the Liberal Democratic party may decline.自由民主党的选举运势可能会下降。5. The film opened to healthy box office receipts before rapidly falling off.这部影片的票房收入开始的时候持续上涨，但是后来急剧下降。6. The drop was caused partly by the pound's strength against the dollar.下降的部分原因在于英镑对美元的升值。7. The built-in safety device compensates for a fall in water pressure.该内置式安全装置在水压下降时能提供保护。
减产
yield decreasedyield reducesrate can reduce
几乎没有区别，都是“削减”的意思
