1.
drops of fresh water that fall as precipitation from clouds.
从云层降下的淡水水滴。
2.
descent:The act or an instance of descending.
"下降,降落:下降的动作或实例."
3.
A downward movement.
下降，落下向下的运动
4.
lagging edge
【电】(脉冲的)下降边
5.
A falling inflection of the voice, as at the end of a sentence.
声音降落，降句调发音时下降的音调
6.
a lowering of temperature below the freezing point
下降到冰点以下的温度
7.
a vertiginous drop, descent, etc
令人眩晕的下落、 下降等.
8.
A downward tendency, as in the price of a stock.
下降趋势如股票价格等的下降趋势
9.
A descent by stages or steps.
递减，下降一种逐级或逐步的递减，下降
10.
The Modified Steepest Descent Method──Best Point in Steepest Descent method
改进的最速下降法─最好点最速下降法
11.
Of or relating to psychological depression.
（生理功能）衰弱的，下降的生理下降的，与生理下降有关的
12.
Four people were huddled under one umbrella to avoid the sudden shower.
四个人挤在一把伞下躲避突降的降雨。
13.
To raise or lower(the boom of a crane or derrick.
升降使起重机的吊臂上升或下降
14.
To bring down to the level of the ordinary person.
使下降到普通人的水准.
15.
The production of sugar dropped.
食糖的产量下降了。
16.
depression curve
(地下水位的)降落曲线
17.
a steep+[ 1 ] fall in market value
市场价值的急剧下降
18.
The dollar buys less today.
美元的购买力下降了。