Word · Frequency #29941
senescence
衰老;老化
the organic process of growing older and showing the effects of increasing age
指逐渐变老的过程
- 1.
The state or process of ageing, especially in humans; old age.
衰老的状态或过程,尤指人类的;老年。
- 2.
Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage.
因端粒缩短或DNA损伤过多而停止有丝分裂。
- 3.
Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time.
老年;随时间推移对大分子、细胞、组织和器官累积的损伤。
- 4.
Fruit senescence, leading to ripening of fruit.
果实衰老,导致果实成熟。
- 5.
Condition when the cell ceases to divide.
细胞停止分裂的状态。
老态;老迈;老朽;衰老的状态或过程,尤指人类的;老年。;因端粒缩短或DNA损伤过多而停止有丝分裂。;老年;随时间推移对大分子、细胞、组织和器官累积的损伤。;果实衰老,导致果实成熟。
In use
The senescence of cells is a natural part of the aging process.
Many plants show senescence in autumn when their leaves change color.
Researchers hope to find a way to slow down senescence.
senescence of [sth]
此结构强调“某物的衰老过程”,senescence 后接 of 短语作后置定语。
The senescence of cells is a normal biological process.
细胞衰老是一个正常的生物学过程。
modifier + senescence
修饰语多为 cellular、premature 等形容词,常用于生物或医学语境。
Premature senescence can result from environmental stress.
环境压力可能导致过早衰老。
Common mistakes
The cells senescence gradually.
Connections
Collocations
- cellular senescence
- 细胞衰老
- Cellular senescence blocks the growth of damaged cells.细胞衰老会阻止受损细胞生长。
- leaf senescence
- 叶片衰老
- Leaf senescence in autumn causes leaves to turn yellow.秋天的叶片衰老使叶子变黄。
- premature senescence
- 过早衰老
- Smoking is linked to premature senescence of the skin.吸烟与皮肤过早衰老有关。
- delay senescence
- 延缓衰老
- Plant hormones can delay senescence.植物激素可以延缓衰老。
- reproductive senescence
- 生殖衰老
- Reproductive senescence affects fertility in older animals.生殖衰老会影响年老动物的生育能力。
Synonyms
Learner notes
Memory Tip
senescence 以 sen- 开头,联想到 senior(年长者),-escence 表示“过程”;想象一位长者正慢慢衰老的过程。
Context & Register
语域:formal 常见场景:biology、medicine、gerontology 该词是较正式的书面或科技用语,多用于生物学、医学或老年学等专业语境;日常口语中较少用,常说 aging。选择正式语体更合适。
Pronunciation & Spelling
adolescence、incandescence、fluorescence、effervescence 与 senescence 的重读元音及后续 /ɛsəns/ 一致,构成真正的韵;而 sense、sentence 拼写相近但发音不同(/sɛns/、/ˈsɛntəns/),并非真韵。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.