表示下降的英语单词或短语都有哪些呢?

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