descent

C1 CET-4 Oxf 5000 大学 FREQ #9716 ★☆☆☆☆

n. 降落, 家系, 侵袭, 血统 [医] 下降, 世代, 血统

发音

UK /dɪˈsɛnt/
US /dəˈsɛnt/
US /dɪˈsɛnt/
US /diˈsɛnt/

词形变化

descents 复数 descents

别名

decent desc EDL

教材释义与例句

名词

下降；血统；袭击

释义与例句

n. C1 Oxf 5000
  1. 1.

    An instance of descending; act of coming down.

    可数 不可数

    We climbed the mountain with difficulty, but the descent was easier.

  2. 2.

    A way down.

    可数 不可数

    We had difficulty in finding the correct descent.

  3. 3.

    A sloping passage or incline.

    可数 不可数

    The descent into the cavern was wet and slippery.

  4. 4.

    Lineage or hereditary derivation.

    可数 不可数

    Our guide was of Welsh descent.

  5. 5.

    A drop to a lower status or condition; decline.

    可数 不可数

    After that, the holiday went into a steep descent.

  6. 6.

    A falling upon or invasion.

    可数 不可数
  7. 7.

    A particular extension of the idea of gluing.

    可数 不可数 数学

词汇关系

名词

同义词 10

blood line fall stock origin decline extraction lineage bloodline pedigree

反义词 1

ascent

上位词 10

move side relationship travel movement motion slope lineage ancestry kinship

下位词 10

family set side fall drop jump shower slide dive folk

相关短语

descent vehicle descent vehicles descent group descent groups minimum descent altitude minimum descent altitudes bilateral descent 双亲遗传 identical by descent gradient descent [计] 梯度下降 graduate student descent recursive descent [计] 递归下降, 递归降序 infinite descent double descent matrilineal descent patrilineal descent

词源

From Middle English and Anglo-Norman descente, from Anglo-Norman descendre (“to descend”); see descend. Compare ascent, ascend. Doublet of desant.

来源：wiktionary