descent

美 [dɪˈsent]英 [dɪˈsent]
  • n.下降;血统;出身;祖先;斜坡;祖籍;坡道;下倾

复数: descents

de- 离开,向下 + scent 爬,攀

CET6 考研 TOEFL TEM8 GRE

descentdescent

noun

1

下降;下倾
an action of coming or going down

The plane began its descent to Heathrow.

飞机开始向希思罗机场降落。

the country's swift descent into anarchy

国家迅速陷入无政府状态

2

斜坡;坡道
a slope going downwards

There is a gradual descent to the sea.

有一片斜坡缓缓伸延到海边。

3

血统;祖籍;祖先;出身
a person's family origins

to be of Scottish descent

祖籍是苏格兰

He traces his line of descent from the Stuart kings.

他的家族可追溯到斯图亚特王朝。

descent

频次

  • 1
    N-VAR 下降;降落
    A descent is a movement from a higher to a lower level or position.

    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
    N-COUNT 斜坡;斜面
    A descent is a surface that slopes downwards, for example the side of a steep hill.

    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。

  • 3
    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's descent into that situation.

    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。

  • 4
    N-UNCOUNT 血统;家世;出身
    You use descent to talk about a person's family background, for example their nationality or social status.

    All the contributors were of African descent.

    所有的撰稿人都是非裔人士。

noun

1
the act of changing your location in a downward direction
2
properties attributable to your ancestry
he comes from good origins
Synonym: origin extraction
3
a movement downward
4
the descendants of one individual
his entire lineage has been warriors
Synonym: lineage line line of descent bloodline blood line blood pedigree ancestry origin parentage stemma stock
5
a downward slope or bend
Synonym: declivity fall decline declination declension downslope
6
the kinship relation between an individual and the individual's progenitors
Synonym: line of descent lineage filiation

数据来源:WordNet

  1. The method has descent directions whatever line search is used .

    无论使用何种线性搜索此方法产生的方向总是下降的。

  2. A Level Value Descent Method for Unconstrained Global Optimization Problems

    一种无约束全局优化的水平值下降算法

  3. There is a gradual descent to the sea .

    有一片斜坡缓缓伸延到海边。

  4. The plane began its descent to Heathrow .

    飞机开始向希思罗机场降落。

  5. 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。

  6. 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。

  7. When entering a trail or starting a descent , yield to other skiers .

    进入滑雪道或开始下滑时,要给其他滑雪者让路。

  8. 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。

  9. 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。

  10. All the contributors were of African descent .

    所有的撰稿人都是非裔人士。

  11. 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。

  12. The descent of the mountain took two hours .

    下山花了两个小时。

  13. An abrupt descent suddenly appeared before him .

    他面前突然出现一个陡峭的斜坡。

  14. She is of German descent .

    她祖籍是德国。

  15. One hundred years ago , " Colored " was the typical way of referring to Americans of African descent .

    一百年前,人们通常用"有色人种"来指称非裔美国人。

  16. What could have been considered the beginning of a descent is now a potential turning point — the turning point you are most equipped to take full advantage of .

    曾被认为是下坡路开始的时刻现在则是充满潜力的转折点——一个你全副武装要好好去利用的转折点。

  17. Franz Kafka once said : " Writing is utter solitude , the descent into the cold abyssof oneself . "

    弗朗茨·卡夫卡曾说过:“写作完全是孤独的,是一个人跌入冰冷的深渊的过程。”

  18. We watched anxiously during her descent from the tree .

    我们焦急地看着她从树上爬下来。

  19. You are to remember that I knew no more of my descent than any cadger 's dog .

    你们可记得我对于自己的家世,不见得比流浪汉的一头狗知道的更多

  20. It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave .

    在进入一个很深的岩洞之前,光是装配绳梯和建立供应基地就需要八天之久。(makeadescent下降)来自《用法词典》

  21. Shang-Chi and the Legend of the Ten Rings is the first of Marvel 's superhero blockbusters to have an Asian lead character , and all of its main actors – including Awkwafina , Michelle Yeoh , Tony Leung , and Simu Liu as Shang-Chi himself – are Asian or of Asian descent .

    《尚气与十环传奇》是漫威第一部由亚洲人领衔主演的超级英雄大片,包括奥卡菲娜、杨紫琼、梁朝伟、刘思慕在内的所有主要演员都是亚洲人或亚裔。

  22. Study on Adaptive Fuzzy Control System Based on Gradient Descent Learning Algorithm

    基于梯度下降法的自适应模糊控制系统研究

  23. The Application of the Steepest Descent Method in the Image Reconstruction

    最速下降法在图像重建中的应用

  24. Application of Improved Gradient Descent by BP Algorithm to Groundwater Level Forecast

    改进梯度下降BP算法在地下水位预测中的应用

  25. Conjugate gradient method with sufficient descent property and its convergence property

    具有充分下降性的共轭梯度法及其收敛性

  26. Image restoration algorithm based on primal-dual hybrid gradient descent method

    基于原&对偶混合梯度下降法的图像恢复算法

  27. The corresponding adaptive algorithm was derived based on the steepest descent method .

    基于最陡下降方法,推导出了相应的自适应算法。

  28. A few Notes of the Descent Function for the General Constrained Optimization

    关于一般约束最优化问题的下降函数的几点注记

  29. The road makes a sharp descent just around the corner .

    那条路在转角处造成一陡峻的斜坡。

  30. Nonlinear Gradient Descent Algorithm Theories and Its Analysis for the Stability of Hopfield Network

    非线性梯度下降算法理论及其对Hopfield网络稳定性的分析

前缀
e-离开,向下

decision n. (作出的)决定,抉择

de- 离开,向下 + cis 切,割 + -ion 行为,状态

degree n.

de- 离开,向下 + gress 走,步伐

deny v. 否认

de- 离开,向下 + neg- 无,不 + -y suffix表示“有…的”

destroy vt. 摧毁

de- 离开,向下 + stroy- 建立

decay v. 衰退

de- 离开,向下 + -cay 掉落

decrease v. 减少

de- 离开,向下 + creas- 增长,产生 + -e

defeat vt. 击败

de- 离开,向下 + feat- 做,制作

defect n. 缺点

de- 离开,向下 + fect 做,制作

defence n. 防御

de- 离开,向下 + fend 打击 + -ce 名词后缀

depart v. 离开

de- 离开,向下 + part 部分,分开

depress vt. 使沮丧

de- 离开,向下 + press 按,压

derive v. 得到

de- 离开,向下 + riv- 河流,流动 + -e

descend v. 下来

de- 离开,向下 + scend 爬,攀

despair n. 绝望

de- 离开,向下 + spair 希望

despite prep. 即使

de- 离开,向下 + spect 看

device n. 装置

de- 离开,向下 + vis- 分开 + -e

devise vt. 发明

de- 离开,向下 + vis- 分开 + -e

dedicate vt. 奉献

de- 离开,向下 + dic 说 + -ate 做,造成

deprive v. 剥夺

de- 离开,向下 + priv- 个人,私人 + -e

delegate n. 代表

de- 离开,向下 + leg 法律 + -ate 人/地位

deviate vi. 背离

de- 离开,向下 + vi 道路 + -ate 做,造成

decisive adj. 果断的

de- 离开,向下 + cis 切,割 + -ive 形容词后缀

deficit n. 赤字

de- 离开,向下 + fic 做,制作 + -it 名词后缀

decline n. (数量、价值、质量等的)减少,下降,衰落,衰退

de- 离开,向下 + clin 倾斜,斜坡 + -e