descent

英 [dɪˈsent]

美 [dɪˈsent]

n.  下降; 下倾; 斜坡; 坡道; 血统; 祖籍; 祖先; 出身

复数：descents　

CET6考研TOEFLIELTSGRETEM8医学

Collins.1 / BNC.5385 / COCA.5454

牛津词典

noun

• 下降；下倾
  an action of coming or going down
  1. The plane began its descent to Heathrow.
     飞机开始向希思罗机场降落。
  2. the country's swift descent into anarchy
     国家迅速陷入无政府状态
• 斜坡；坡道
  a slope going downwards
  1. There is a gradual descent to the sea.
     有一片斜坡缓缓伸延到海边。
• 血统；祖籍；祖先；出身
  a person's family origins
  1. to be of Scottish descent
     祖籍是苏格兰
  2. He traces his line of descent from the Stuart kings.
     他的家族可追溯到斯图亚特王朝。

柯林斯词典

• N-VAR 下降;降落
  Adescentis a movement from a higher to a lower level or position.
  1. Sixteen of the youngsters set off for help, but during the descent three collapsed in the cold and rain.
     16 名年轻人出发去寻求帮助，但在下山过程中有 3 人因寒冷和大雨晕倒了。
  2. ...the crash of an Airbus A300 on its descent into Kathmandu airport.
     空客 A300 在加德满都机场降落时的坠毁
• N-COUNT 斜坡;斜面
  Adescentis a surface that slopes downwards, for example the side of a steep hill.
  1. On the descents, cyclists spin past cars, freewheeling downhill at tremendous speed.
     在坡道上，自行车手飞驰着超越了一辆辆汽车，靠着惯性一路疾冲下山。
• N-SING (形势的)恶化;(人的)堕落，沦落
  When you want to emphasize that a situation becomes very bad, you can talk about someone's or something'sdescentinto that situation.
  1. The only lasting solution lies in a political settlement. Without it, their descent into chaos will be guaranteed.
     唯一的长久之计是通过政治手段解决。否则，他们势必会陷入一片混乱。
  2. ...his swift descent from respected academic to struggling small businessman.
     他从一名受人尊敬的学者到一个度日艰难的小商人的瞬间沦落
• N-UNCOUNT 血统;家世;出身
  You usedescentto talk about a person's family background, for example their nationality or social status.
  1. All the contributors were of African descent.
     所有的撰稿人都是非裔人士。

英英释义

noun

• the act of changing your location in a downward direction
• properties attributable to your ancestry
  1. he comes from good origins
  Synonym:originextraction
• a movement downward
• the descendants of one individual
  1. his entire lineage has been warriors
  Synonym:lineagelineline of descentbloodlineblood linebloodpedigreeancestryoriginparentagestemmastock
• a downward slope or bend
  Synonym:declivityfalldeclinedeclinationdeclensiondownslope
• the kinship relation between an individual and the individual's progenitors
  Synonym:line of descentlineagefiliation

双语例句

• She drove up a steep grade and then began the long descent into the desert.
  她驾车开上一个陡坡，然后沿着长长的下坡路驶入沙漠。
• She was known for her noble descent and bravery.
  她以高贵的血统和勇敢而出名。
• This long descent was my punishment.
  这段漫长的下坡路就是对我的惩罚。
• She is of German descent.
  她祖籍是德国。
• Foroud and her colleagues examined a sample of219 alcoholic families of European American descent.
  Foroud和她的同事对219个嗜酒的欧洲裔美国人家族进行了调查。
• Are you of Chinese descent?
  你有中国人血统？
• The film is a powerful study of a woman's descent into insanity
  那部电影深入剖析了一个女人堕入疯狂的过程。
• On the descents, cyclists spin past cars, freewheeling downhill at tremendous speed.
  在坡道上，自行车手飞驰着超越了一辆辆汽车，靠着惯性一路疾冲下山。
• As we prepare for our final descent.
  我们要准备最后的着陆了。
• A new gradient descent algorithm for unconstrained optimization problem is proposed.
  提出了一种新的无约束优化下降算法。