动 fall，drop，lower，reduce；名 （姓氏） a surname；

[例句] 将你在奢侈品上的花费降至可控范围。 Keep your spending on luxuries down to manageable proportions.

[例句] “圣诞节以来物价降了4成，”他悲叹道。 "Prices are down 40 per cent since Christmas," he lamented.

descend，go or come down，drop，fall，decline ；

[例句] 他在那儿的时候体重下降了2英石。 He lost two stone in weight during his time there.

[例句] 去年，经济增长率下降到4%以下。 Last year, economic growth tailed off to below four percent.

descend，fall alight，land，touch down，descent ；

[例句] 飞机获准降落于不伦瑞克的格林科机场。 The plane had been cleared for landing at Brunswick's Glynco Airport.

[例句] 飞机由于发生电力故障而作了临时降落。 The aircraft made an unscheduled landing after developing an electrical fault.

reduce，cut down，abate，debase，depress ；

[例句] 风险不可能完全消除，但可以通过防范和培训来降低。 You could never eliminate risk, but preparation and training could attenuate it.

[例句] 公司在降低成本方面付出了艰苦卓绝的努力。 The company has made heroic efforts at cost reduction.

[气] precipitation，rainfall，rain，raininess ；

[例句] 利雅得在12小时内降水就达25毫米。 Riyadh got 25 mm of rain in just 12 hours.

[例句] 浓密的植被的叶子中能截留大量的降水. Heavy vegetation may intercept a large amount of precipitation on its leaves.

subside，settle，[地] sedimentation，settlement ；

[例句] 沉降池中的废水中加入了消毒剂，以消灭所有有害微生物。 Effluent from the sedimentation tank is dosed with disinfectant to kill any harmful organisms.

[例句] 控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降. Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.

surrender，capitulate，haul down one's colors，throw up the sponge，[电影]Caved In；

[例句] 他们想让我做什么，宣战还是投降？ Which do they want me to do? declare war or surrender?

[例句] 经过10个小时的谈判，持枪歹徒终于投降了。 Finally, after ten hours of negotiations, the gunman gave himself up.

degradation ；

[例句] 公司谎称他们的产品是可生物降解的. The company had falsely claimed that its products were biodegradable.

[例句] 这种物质在土壤里会迅速降解。 This substance degrades rapidly in the soil.

reduce to a lower rank，reduce in rank，send to a lower grade，sink in the scale，degrade ；

[例句] 本赛季末只有两支队伍降级。 Only two go down at the end of this season.

[例句] 维拉队刚刚从甲级联赛中降级。 Villa had just been relegated from the First Division.

rainfall，moisture ；

[例句] 这个月的降雨低于平均降雨量。 There has been below average rainfall this month.

[例句] 今年雨季降雨开始得早. The monsoon rains started early this year.

cut price，reduce price，depreciate ；

[例句] 顾客们知道我们的清仓大甩卖是实实在在的全场降价。 Customers know that our stocktake sales offer genuine markdowns across the store.

[例句] 买衣服是最划算的，许多衣服都降价了。 Clothes are the best bargain, with many items marked down.

[书] befall，arrive，come，come down，become of ；

[例句] 不要等待好事降临，你要向幸福进发。 Do not wait for good things to happen to you. You need to walk towards happiness.

[例句] 乐团在周一的圣灵降临节举行了首场演出。 The orchestra gave its first performance on Whit Monday.

lower the temperature ，cooling，[气]drop in temperature，cool down ；

[例句] 旅游热降温对航空业来说是个坏消息。 The drop in travel is bad news for the airline industry.

[例句] 大量出汗后要慢慢降温。 Cool down very gradually after working up a sweat.

parachute，[英俚] brolly，[口] jump-sack，ballute；

[例句] 降落伞突然瘪了，他从300英尺的高空跌落到地面。 He plunged 300ft to the ground when his parachute collapsed.

[例句] 他差点被自己的降落伞吊带勒死。 He was almost strangled by his parachute harness straps.

subdue，vanquish，tame ；

[例句] 他曾经降伏了她的本性,使她对他无比尊敬. He had subjected her nature to bow to him.

[例句] 认识自己, 降伏自己, 改变自己, 才能改变别人. Understand yourself, conquer yourself, change yourself, and then you can change others.

down，lower，[医] abaissement，descension，descent ；

[例句] 降下大帆来,否则我们会被吹翻的! Ease out the large sail or we shall be blown over!

[例句] 水手们降下了救生艇. The sailors lowered a lifeboat.

deflation，reduced order ；

[例句] 通过引入状态变换, 得到了一类降阶形式的状态估计问题. By introducing state transformation, a reduced - order state estimation form is achieved.

[例句] 介绍了异步电动机全阶数学模型的线性化和降阶的原理,并探讨了降阶模型的准确性问题. The accuracy of the linearized reduced order of induction motors as dynamical stability study is investigated.

rainfall ；

[例句] 维多利亚瀑布今年的降雨量超过了平均水平。 Victoria Falls has had above average levels of rainfall this year.

[例句] 媒体报道称24小时内的降雨量达到了65毫米。 Press reports said that 65mm of water fell in twenty four hours.

[航空] forced landing，crash land，distress landing ；

[例句] 在直升机紧急迫降时，一名幸存者被撞昏过去。 A survivor was knocked unconscious when the helicopter ditched.

[例句] 他迫降在了公路上。 He made a forced landing on a highway.

denoise，noise reduction ；

[例句] 采用软阈值小波降噪法可有效减小干扰. The wavelet soft - threshold denoising method can reduce the interference effectively.

[例句] 介绍了汽车车内噪声实验研究中基于传递函数合成的降噪方法. The transfer function synthesis for vehicles interior noise reduction is introduced.